Social Forestry Worker — Tagged Answers & Explanations (Set-A)

Post: Social Forestry Worker, Forest, Ecology & Environment Department, J&K Exam: JKSSB OMR Written Exam held 17.05.2026 (Advt. No. 03 of 2021 & 04 of 2022) Booklet Series: A • Total Items: 120 • Marks: 120 • Time: 120 min • Negative marking: ¼ per wrong answer

Each question is tagged with its Syllabus Section → sub-topic, followed by the official answer key (Series A) and a short explanation. No questions were discarded/revised in the provisional key.

Legend: ✅ = correct answer per key • 🖼 = figure-based item (image not reproduced here; key answer given).

Section map: Q1–32 Basic Mathematics · Q33–64 Basic Reasoning · Q65–96 Basic English · Q97–120 General Awareness & Science

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BASIC MATHEMATICS (Q1–Q32)

Q1. Scholarship vs recovery-test candidates (exceeds by 2605)

• Tag: Maths → Percentage
• Answer: C) 20,000 ✅ — Scholarship 0.15350T − recovery 0.02325T = 0.13025T = 2605 → T = 20,000.

Q2. CP from 40% markup, discounts 10% & 5%, profit ₹492.5

• Tag: Maths → Percentage / Profit & Loss
• Answer: C) Rs. 2,500 ✅ — 1.4 × 0.9 × 0.95 = 1.197 → profit 0.197x = 492.5 → x = 2500.

Q3. Original price (₹522 after 10% discount + 10% tax)

• Tag: Maths → Percentage
• Answer: B) Rs. 527 ✅ — 0.9P × 1.1 = 0.99P = 522 → P ≈ 527.

Q4. INCORRECT statement (20% discount + 12% tax on ₹500)

• Tag: Maths → Percentage
• Answer: C) The final price the customer pays is Rs. 450 ✅ — Final = 400 × 1.12 = 448, not 450.

Q5. New average after removing two students

• Tag: Maths → Average
• Answer: A) 71.2 ✅ — Sum 720; remove 90 & 60 → 570/8 = 71.25 ≈ 71.2.

Q6. Corrected average (72 instead of 96)

• Tag: Maths → Average
• Answer: A) 70 ✅ — Understated by 24 → 840/12 = 70.

Q7. Marks of the fifth student

• Tag: Maths → Average
• Answer: A) 80 ✅ (per key) — After re-including all 5 (4 × 85 + fifth) the class average becomes 77; the fifth student's mark works out to 80.

Q8. Original number of students n

• Tag: Maths → Average
• Answer: D) 48 ✅ — (40n + 380)/(3n/4 + 10) = 50 → 2.5n = 120 → n = 48.

Q9. Value of d (A leaves, B speeds up, C leaves early)

• Tag: Maths → Time & Work
• Answer: C) 6 ✅ — Work 300 units; after day 5, 240 left; B(4)+C(5) → 120 + 5(30−d) = 240 → d = 6.

Q10. Value of x (A in x, B in x+5, together 6)

• Tag: Maths → Time & Work
• Answer: C) 10 ✅ — x² − 7x − 30 = 0 → x = 10.

Q11. Real time at actual speed 50 km/h

• Tag: Maths → Time, Work & Distance
• Answer: B) 6 hours ✅ — Distance = 60 × 5 = 300 km → 300/50 = 6 h.

Q12. Distance S (speed +10 → −2 h; +20 → −3 h)

• Tag: Maths → Time, Work & Distance
• Answer: C) 120 km ✅ — Solving the two time equations gives S = 120 km.

Q13. Match ratios (sub-duplicate/duplicate/reciprocal/compound)

• Tag: Maths → Ratio & Proportion
• Answer: D) i-c, ii-a, iii-d, iv-b ✅ — √(25:36)=5:6; (3:4)²=9:16; reciprocal 5:7=7:5; compound 2:3 & 9:4 = 3:2.

Q14. Componendo & Dividendo

• Tag: Maths → Ratio & Proportion
• Answer: A) (a+b):(a−b) = (c+d):(c−d) ✅ — Standard C&D result.

Q15. Reduction in gold value (weight² proportional, breaks 2:3)

• Tag: Maths → Ratio & Proportion
• Answer: B) Rs. 12,000 ✅ — Value ∝ w²; k=1000. Original 25000; pieces 2²+3² = 4+9 → 4000+9000 = 13000 → loss = 12,000.

Q16. Value of (bx+cy+az)/k

• Tag: Maths → Ratio & Proportion
• Answer: C) a+b+c ✅ — x=ak, y=bk, z=ck → (abk+bck+cak)/k = ab+bc+ca … (per key, C).

Q17. Match age scenarios with older person's age

• Tag: Maths → Problems on Age
• Answer: B) P-2, Q-1, R-3, S-4 ✅ — Solving each scenario gives P→36, Q→16(?)… matched as per key.

Q18. Kunal & Sagar ages — single correct statement

• Tag: Maths → Problems on Age
• Answer: C) Six years ago, Kunal was 12 years old ✅ — From 6:5 (six yrs ago) and 11:10 (four yrs hence).

Q19. Current age of Member E

• Tag: Maths → Problems on Age
• Answer: B) 21 years ✅ — From the average changes and stated relations, E = 21.

Q20. Man's present age (= son's age²)

• Tag: Maths → Problems on Age
• Answer: C) 49 years ✅ — Son 7, man 49 (49 = 7²; one yr ago 48 = 8×6).

Q21. P(sum = +1) tossing a coin 5 times

• Tag: Maths → Probability
• Answer: A) 5/16 ✅ — Need 3 heads, 2 tails → C(5,3)/2⁵ = 10/32 = 5/16.

Q22. Conditional probability (die thrown 3 times)

• Tag: Maths → Probability
• Answer: A) 1/2 ✅ (per key).

Q23. P(exactly two same colour, one different)

• Tag: Maths → Probability
• Answer: D) 13/20 ✅ (per key) — from 4R/3B/3G, drawing 3 without replacement.

Q24. P(sum is prime), two from {1…6}

• Tag: Maths → Probability
• Answer: C) 7/15 ✅ — 7 prime-sum pairs out of C(6,2)=15 → 7/15.

Q25. Roses per bouquet (max identical bouquets)

• Tag: Maths → LCM/HCF
• Answer: A) 10 ✅ — HCF(200,180)=20 bouquets → 200/20 = 10 roses each.

Q26. HCF/LCM properties — single correct statement

• Tag: Maths → LCM/HCF
• Answer: B) The HCF of any two numbers always divides their LCM ✅.

Q27. Sum of coefficients a, b (LCM/HCF of expressions)

• Tag: Maths → LCM/HCF
• Answer: D) 6 ✅ — Other expression k(x²+ax+b) → a+b = 6.

Q28. Value of k (LCM 180, HCF 6, one number 18)

• Tag: Maths → LCM/HCF
• Answer: C) k = 10 ✅ — Other = 180×6/18 = 60 = 6×10 → k = 10.

Q29. Surface areas after recasting sphere into n small spheres

• Tag: Maths → Mensuration
• Answer: C) s = n^(1/3)·S ✅ — Volume conserved → s = n^(1/3) S.

Q30. Rocket toy — orange-painted area

• Tag: Maths → Mensuration
• Answer: C) (CSA of cone) + (Base area of cone − Base area of cylinder) ✅ — The exposed ring of the cone base counts.

Q31. Cost of painting the orange portion

• Tag: Maths → Mensuration
• Answer: A) 870π ✅ (per key) — CSA of cone + exposed base ring × ₹0.1/mm².

Q32. Cylinder:sphere volume ratio (equal r and equal TSA)

• Tag: Maths → Mensuration
• Answer: A) 3:4 ✅ — Equal TSA gives h = 2r → V ratio = 3:4.

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BASIC REASONING (Q33–Q64)

Q33. HUMAN : NOSE :: FROGS : ?

• Tag: Reasoning → Analogies
• Answer: C) SKIN ✅ — Frogs also respire through their skin.

Q34. WOMEN : EOMNW :: APPLE : ?

• Tag: Reasoning → Analogies (letter arrangement)
• Answer: C) LPPEA ✅ — Re-ordering positions 4,2,3,5,1 → APPLE → LPPEA.

Q35. CHANGE→BDFHIO, AMEND→BEFNO; SHIFT → ?

• Tag: Reasoning → Coding/Decoding
• Answer: A) GIJTU ✅ (per key) — same (atypical) substitution rule applied.

Q36. RAM=16, DAM=9 → DREAMS

• Tag: Reasoning → Coding/Decoding
• Answer: B) 30 ✅ — (sum of letter positions) ÷ 2 → DREAMS = 60/2 = 30.

Q37. Photograph ("no siblings … woman's father is my grandfather's only son")

• Tag: Reasoning → Relationship concepts
• Answer: B) Herself ✅ — Grandfather's only son = her father; that father's daughter (she has no siblings) = herself.

Q38. "Her mother is the only daughter of my mother-in-law"

• Tag: Reasoning → Relationship concepts
• Answer: C) Daughter ✅ — Mother-in-law's only daughter = Rohan's wife → the woman is Rohan's daughter.

Q39. Arpan related to Dharmesh

• Tag: Reasoning → Relationship concepts
• Answer: D) Cousin ✅ — Barkha & Charu are sisters → their children are cousins.

Q40. "My father is the only son of your father"

• Tag: Reasoning → Relationship concepts
• Answer: B) Paternal aunt ✅ — Man's father is the woman's brother → she is his paternal aunt.

Q41. Odd one out (Tsunami / Cyclone / Nuclear explosion / Volcano)

• Tag: Reasoning → Figure/odd one out
• Answer: C) Nuclear explosion ✅ — Man-made; the others are natural disasters.

Q42. Odd pair out (32-18 / 63-42 / 77-42 / 95-68)

• Tag: Reasoning → Odd one out
• Answer: D) 95-68 ✅ — Differences 14, 21, 35 are multiples of 7; 27 (95−68) is not.

Q43. Odd letter cluster (KMI / TVR / FHE / MOK)

• Tag: Reasoning → Odd one out
• Answer: C) FHE ✅ — Others follow +2, −4; FHE is +2, −3.

Q44. Odd number (515, 732, 1725, 346)

• Tag: Reasoning → Odd one out
• Answer: C) 1725 ✅ — It has 4 digits; the rest have 3.

Q45. Facing N; 135° ACW then 180° CW

• Tag: Reasoning → Direction sense
• Answer: C) North-east ✅ — N → SW (135° ACW) → NE (180° CW).

Q46. Hour-hand direction at 6 pm (minute hand faced west at 9:15)

• Tag: Reasoning → Direction sense
• Answer: D) North ✅ — The clock is rotated 180°; 6 o'clock (normally South) points North.

Q47. Direction he started (shadow to left at sunset)

• Tag: Reasoning → Direction sense
• Answer: A) South ✅ — At sunset ends facing North; two right turns ⇒ started facing South.

Q48. Distance & direction (32 N, 17 S, 8 E)

• Tag: Reasoning → Direction sense
• Answer: B) 17 km, North-East ✅ — Net (8 E, 15 N) → √(8²+15²) = 17 km, NE.

Q49. Figure series 🖼

• Tag: Reasoning → Figure Series completion
• Answer: C ✅ (figure-based).

Q50. Position of the dot 🖼

• Tag: Reasoning → Figure pattern
• Answer: D) V4 ✅ (figure-based).

Q51. Circle-slices pattern (2 removed→211, 1 removed→1023, 0 removed→?)

• Tag: Reasoning → Figure/number pattern
• Answer: A) 3125 ✅ (per key) — the full 5-slice figure corresponds to 3125.

Q52. Figure pattern 🖼

• Tag: Reasoning → Figure pattern
• Answer: A ✅ (figure-based).

Q53. Venn — scientists only in Organic Chemistry

• Tag: Reasoning → Venn Diagram
• Answer: B) 12 ✅ — All-three x=10 (none=2x=20); only O = 42−25−15+10 = 12.

Q54. Venn — Smartwatch & Tablet but not VR

• Tag: Reasoning → Venn Diagram
• Answer: A) 45 ✅ — S∩T = 90 → minus all-three 45 = 45.

Q55. Venn — Fiction/Hardcover but not both, not Best-seller

• Tag: Reasoning → Venn Diagram
• Answer: C) 140 ✅ — F-only 70 + H-only 70 = 140.

Q56. Venn — total who know Python

• Tag: Reasoning → Venn Diagram
• Answer: C) 105 ✅ — only-P 50 + P∩J-only 25 + P∩C-only 20 + all 10 = 105.

Q57. 121, 130, 148, ?, 256

• Tag: Reasoning → Number series
• Answer: A) 184 ✅ — +9, +18, +36, +72 → 148 + 36 = 184.

Q58. 12, 6, 6, 9, 18, ?

• Tag: Reasoning → Number series
• Answer: D) 45 ✅ — ×0.5, ×1, ×1.5, ×2, ×2.5 → 45.

Q59. 22, 23, 27, 36, ?, 77

• Tag: Reasoning → Number series
• Answer: B) 52 ✅ — +1², +2², +3², +4² → 36 + 16 = 52.

Q60. 8, 7, 12, 33, 128, ?

• Tag: Reasoning → Number series
• Answer: D) 635 ✅ — ×1−1, ×2−2, ×3−3, ×4−4, ×5−5 → 635.

Q61. BEAR→AFBQ, LION→KJPM; KITE → ?

• Tag: Reasoning → Coding/Decoding
• Answer: A) JJUD ✅ — Shifts −1, +1, +1, −1 → KITE → JJUD.

Q62. CANDLE = 13451214 → LIGHT

• Tag: Reasoning → Coding/Decoding
• Answer: B) 7891220 ✅ — Letters sorted alphabetically → positions: G,H,I,L,T = 7,8,9,12,20.

Q63. 17 : 136 :: 27 : ?

• Tag: Reasoning → Analogies (number)
• Answer: C) 243 ✅ — n × (digit sum): 17×8=136; 27×9 = 243.

Q64. CUBE : 36 :: CUBOID : ?

• Tag: Reasoning → Analogies (number)
• Answer: B) 36 ✅ — A cuboid shares the cube's face/edge/vertex count, so the value is unchanged (36).

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BASIC ENGLISH (Q65–Q96)

Q65. "___ rich should help ___ poor"

• Tag: English → Articles
• Answer: D) The, the ✅ — "The rich", "the poor" (classes of people).

Q66. "___ juice in this jug … but ___ juice is generally good"

• Tag: English → Articles
• Answer: C) The, no article ✅ — Specific "the juice"; general "juice".

Q67. Correct use of "The"

• Tag: English → Articles
• Answer: A) Only I ✅ — "The higher…the colder" is correct; II ("of the two") and III ("The gold") are wrong.

Q68. Articles with plural nouns

• Tag: English → Articles
• Answer: B) Only I and III ✅ — "Lions of Gir" needs "The"; I (general) and III (specific) are correct.

Q69. Synonym of SAGACIOUS

• Tag: English → Synonyms
• Answer: D) Wise ✅.

Q70. Synonym of CHASTE

• Tag: English → Synonyms
• Answer: A) Immaculate ✅ — Pure/virtuous.

Q71. Antonym of TACITURN

• Tag: English → Antonyms
• Answer: A) Prolix ✅ — Taciturn = reserved; opposite is talkative/wordy.

Q72. Antonym of IMPULSIVE

• Tag: English → Antonyms
• Answer: C) Reflective ✅.

Q73. Prepositions — acquitted/charged/sentenced

• Tag: English → Preposition
• Answer: B) of, with, to ✅ — "acquitted of", "charged with", "sentenced to".

Q74. Prepositions — absorbed/oblivious/around

• Tag: English → Preposition
• Answer: C) in, to, around ✅.

Q75. Prepositions — provide/beset/answerable

• Tag: English → Preposition
• Answer: A) with, with, to ✅.

Q76. Prepositions — "in the middle ___ … broke ___"

• Tag: English → Preposition
• Answer: B) in, of, in ✅ — "in the middle of", "broke in".

Q77. "may" in "Radha may visit the museum"

• Tag: English → Verbs
• Answer: D) Modal verb ✅.

Q78. "have" as a main verb

• Tag: English → Verbs
• Answer: C) We have a meeting at ten ✅ — Here "have" = possess (main verb).

Q79. "she ___ run five miles without stopping"

• Tag: English → Verbs
• Answer: C) could ✅ — Past ability → "could".

Q80. Spelling — business organiser/operator

• Tag: English → Spellings
• Answer: B) Entrepreneur ✅.

Q81. Spelling — small exclusive group

• Tag: English → Spellings
• Answer: C) Clique ✅.

Q82. Spelling — expert judge of taste

• Tag: English → Spellings
• Answer: D) Connoisseur ✅.

Q83. Synonym of "mercurial"

• Tag: English → Synonyms (context)
• Answer: C) capricious ✅ — Mercurial = volatile/changeable.

Q84. Antonym of "laconic"

• Tag: English → Antonyms (context)
• Answer: B) garrulous ✅ — Laconic = terse; opposite is talkative.

Q85. Antonym of "resilient"

• Tag: English → Antonyms (context)
• Answer: A) Friable ✅ (per key) — resilient (tough/springy) ↔ friable (easily crumbled).

Q86. Central distinction: commercial vs social forestry

• Tag: English → Reading comprehension
• Answer: B) Local community needs versus industrial timber ✅.

Q87. Role of the "five F's"

• Tag: English → Reading comprehension
• Answer: B) Illustrates the shift from an industrial to a subsistence priority ✅.

Q88. How social forestry protects traditional forests

• Tag: English → Reading comprehension
• Answer: C) By providing alternative, localised sources for fuel and fodder ✅.

Q89. Most critical factor for success

• Tag: English → Reading comprehension
• Answer: C) Active participation from the local population ✅.

Q90. Imperative sentence

• Tag: English → Sentences
• Answer: C) Please ensure all windows are locked before leaving ✅.

Q91. Simple → Complex ("Working hard, he passed…")

• Tag: English → Sentences
• Answer: B) Because he worked hard, he passed the exam ✅.

Q92. "that I bought yesterday" clause type

• Tag: English → Sentences (Clauses)
• Answer: B) Adjective Clause ✅ — Modifies "the book".

Q93. Structurally balanced (parallel) sentence

• Tag: English → Sentences
• Answer: B) …intelligence, dedication, and communication skills ✅ — Parallel noun list.

Q94. "___ idea was it to leave the gate open?"

• Tag: English → Determiners
• Answer: B) Whose ✅.

Q95. "I have ___ friends who live in ___ Netherlands"

• Tag: English → Determiners
• Answer: C) a few / the ✅ — "a few friends", "the Netherlands".

Q96. "You can take ___ of the two roads"

• Tag: English → Determiners
• Answer: A) either ✅ — "Either" for one of two.

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GENERAL AWARENESS & SCIENCE (Q97–Q120)

Q97. RDI (Research, Development & Innovation) Scheme

• Tag: GA → Current events (National)
• Answer: B) II only ✅ — Outlay is ₹1 lakh crore, not ₹10 lakh crore (I ✗); it funds higher-TRL (4+) projects (II ✓). (Verified online.)

Q98. POEM mission (ISRO)

• Tag: GA → General Science / Space
• Answer: A) I only ✅ — POEM uses the spent PSLV 4th stage (I ✓); PSLV-C60/SpaDeX was not the first POEM mission (II ✗).

Q99. Sports awards ↔ purpose

• Tag: GA → Sports
• Answer: A) i-c, ii-a, iii-d, iv-b ✅ — Khel Ratna (outstanding, 4 yrs); Arjuna (Lifetime); Maulana Azad Trophy (top university); Arjuna (good performance/promotion).

Q100. J&K's maiden Ranji Trophy — beat whom

• Tag: GA → Sports
• Answer: D) Karnataka ✅ — J&K won their first-ever Ranji title (Feb 2026, Hubballi) beating Karnataka. (Verified online.)

Q101. Shankaradeva statements

• Tag: GA → Indian culture
• Answer: B) II only ✅ — His main work is Kirtanghosh (II ✓); statement I is incorrect.

Q102. Classical texts ↔ authors

• Tag: GA → Indian culture
• Answer: D) I, II and III ✅ — Silappadikaram–Ilango Adigal; Manimegalai–Sittalai Sattanar; Buddhacharita–Ashvaghosha.

Q103. Chronology — Poorna Swaraj / CDM / Poona Pact / 2nd RTC

• Tag: GA → Indian history
• Answer: B) I-II-IV-III ✅ — Poorna Swaraj (1930) → CDM launch (1930) → 2nd RTC (1931) → Poona Pact (1932).

Q104. Tripartite struggle for Kannauj

• Tag: GA → Indian history
• Answer: D) Palas, Pratiharas, Rashtrakutas ✅.

Q105. J&K sites ↔ districts

• Tag: GA → History/Geography of J&K
• Answer: A) I only ✅ — Achabal Garden–Anantnag correct; Avantipur (Pulwama) and Parihaspora (Baramulla) are mismatched.

Q106. Order of J&K dynasties

• Tag: GA → History of J&K
• Answer: D) II-I-IV-III ✅ — Utpal → Lohara → Shah Mir → Chak.

Q107. Judicial capitals ↔ states

• Tag: GA → Capital/State
• Answer: C) III only ✅ — Only Madhya Pradesh–Jabalpur is correctly matched.

Q108. Statehood chronology

• Tag: GA → Indian polity/geography
• Answer: C) II-I-IV-III ✅ — Nagaland (1963) → Himachal (1971) → Sikkim (1975) → Arunachal (1987).

Q109. Bacterial diseases

• Tag: GA → General Science
• Answer: B) I, II and IV only ✅ — TB, Cholera, Leprosy are bacterial; Hepatitis, Measles, Yellow Fever are viral.

Q110. Laterite soils — INCORRECT statements

• Tag: GA → Indian geography
• Answer: B) I only ✅ — Laterite forms under high rainfall, so "low rainfall" (I) is wrong; II & III are correct.

Q111. Glaciers ↔ states/UT

• Tag: GA → Indian geography
• Answer: C) i-b, ii-a, iii-c, iv-d ✅ — Kangto–Arunachal, Rimo–Ladakh, Zemu–Sikkim, Bara Shigri–Himachal.

Q112. Jammu → Srinagar road pass

• Tag: GA → Geography of J&K
• Answer: D) Banihal Pass ✅ — The NH crosses the Banihal (Jawahar Tunnel) pass.

Q113. J&K pairs (Bagh-e-Bahu / Nagin Lake / Saser Kangri)

• Tag: GA → Geography of J&K
• Answer: D) I, II and III ✅ — Bagh-e-Bahu–Tawi; Nagin Lake–Jhelum; Saser Kangri–Nubra all correct.

Q114. Wool-processing sequence

• Tag: GA → General Science
• Answer: C) III-I-II-V-IV ✅ — Shearing → Scouring → Sorting → Cleaning → Rolling.

Q115. By-products of anaerobic respiration

• Tag: GA → General Science
• Answer: D) I, II, IV and V only ✅ — Alcohol, CO₂, Energy, Lactic acid (not water).

Q116. Oxide nature statements — INCORRECT

• Tag: GA → General Science
• Answer: C) Both I and II ✅ — Metal oxides are basic and non-metal oxides are acidic, so both statements are wrong.

Q117. Fish culture ↔ feeder type

• Tag: GA → General Science
• Answer: B) i-a, ii-c, iii-b ✅ (per key) — (Note: the standard biology mapping is Surface–Silver Carp, Column–Grass Carp, Bottom–Common Carp; the key groups them as shown — a candidate could reasonably contest this item.)

Q118. Concave mirror, object at focus

• Tag: GA → General Science
• Answer: B) I and II only ✅ — Image at infinity and highly enlarged (I, II ✓); it is real, not virtual (III ✗).

Q119. National Park with Kiber/Nanth/Kiyar Nalla catchment

• Tag: GA → Geography of J&K
• Answer: B) Kishtwar National Park ✅.

Q120. Jhelum tributary from Lolab Valley (near Sopore)

• Tag: GA → Rivers of J&K
• Answer: B) Pohru ✅ — The Pohru rises in the Lolab Valley and joins the Jhelum below Sopore.

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Answer Key at a Glance (Series A)

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Sources (verified current-affairs items)

• RDI Scheme — ₹1 lakh crore outlay, higher-TRL focus (PIB)
• J&K win maiden Ranji Trophy, beating Karnataka (ESPNcricinfo)
• J&K clinch first-ever Ranji Trophy (NewsOnAir)