Q1. Find the next number in the series: 3, 9, 27, 81, 243, ?
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Answer: B. 729
Each term is multiplied by 3: 243 × 3 = 729.
SSC CGL General Intelligence & Reasoning Intermediate Practice Set 3
25 intermediate questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Number Series, Alphabet Series, Coding-Decoding, Analogy, Classification, Direction Sense, Blood Relations, Ranking and Order, Calendar, Clock, Mathematical Operations, Alphabet Test, Dictionary Order
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Q2. Find the missing number in the series: 10, 54, 14, ?, 18, 46
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Answer: C. 50
Two alternating series: 10, 14, 18 (+4) and 54, 50, 46 (−4).
Q3. Find the next letter in the series: F, I, L, O, ?
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Answer: C. R
Each letter moves 3 places forward: O + 3 = R.
Q4. In a certain code, SILVER is written as HROEVI. How is PAPER written in that code?
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Answer: B. KZKVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So PAPER → KZKVI.
Q5. Find the missing term: TIG : WLJ :: GRA : ?
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Answer: A. JUD
Each letter moves 3 places forward: GRA → JUD.
Q6. Find the odd one out: 17, 47, 73, 87
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Answer: B. 87
All except 87 are prime numbers; 87 is composite.
Q7. Ravi walks 7 m towards North, then turns left and walks 2 m, and finally turns right and walks 11 m. In which direction is Ravi now from the starting point?
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Answer: A. North-West
Net displacement: 18 m North and 2 m West. So Ravi is to the North-West of the start.
Q8. Amit's mother is the only daughter of Sanjay's father. How is Sanjay related to Amit?
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Answer: D. Uncle
Amit's mother is Sanjay's sister, so Sanjay (male) is Amit's maternal uncle.
Q9. In a class of 54 students, Suresh ranks 8th from the top. What is Suresh's rank from the bottom?
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Answer: B. 47th
Rank from bottom = 54 − 8 + 1 = 47.
Q10. If today is Tuesday, what day of the week will it be after 124 days?
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Answer: D. Sunday
124 ÷ 7 leaves remainder 5. Tuesday + 5 days = Sunday.
Q11. What is the angle between the hour hand and the minute hand of a clock at 5:10?
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Answer: A. 95°
|30 × 5 − 5.5 × 10| = |150 − 55| → smaller angle = 95°.
Q12. If '×' means '÷', '÷' means '×', then what is the value of 19 + 8 − 4 ÷ 4?
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Answer: B. 11
After substitution: 19 + 8 − 4 × 4 = 11.
Q13. Which letter is 6th to the right of the 6th letter from the left in the English alphabet?
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Answer: B. L
The 6th letter is F. 6 places to the right gives L.
Q14. If the following words are arranged in dictionary order, which word comes 4th? Canopy, Cannon, Candle, Candid
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Answer: B. Canopy
Dictionary order: Candid, Candle, Cannon, Canopy. The 4th word is Canopy.
Q15. Find the next number in the series: 65, 82, 101, 122, 145, ?
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Answer: B. 170
Terms are n² + 1 for n = 8…13: 13² + 1 = 170.
Q16. Find the missing number in the series: 16, 37, ?, 31, 20, 25
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Answer: B. 18
Two alternating series: 16, 18, 20 (+2) and 37, 31, 25 (−6).
Q17. In a certain code, BREAD is written as YIVZW. How is SUMMER written in that code?
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Answer: B. HFNNVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So SUMMER → HFNNVI.
Q18. Find the missing term: PLA : QMB :: BRE : ?
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Answer: B. CSF
Each letter moves 1 place forward: BRE → CSF.
Q19. Find the odd one out: 64, 169, 289, 291
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Answer: B. 291
All except 291 are perfect squares.
Q20. Priya walks 4 m towards East, then turns left and walks 4 m, and finally turns left and walks 2 m. In which direction is Priya now from the starting point?
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Answer: B. North-East
Net displacement: 4 m North and 2 m East. So Priya is to the North-East of the start.
Q21. Sanjay is the father of Rohit. Kavita is the mother of Sanjay. How is Kavita related to Rohit?
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Answer: B. Grandmother
Kavita is Rohit's father's mother, i.e. Rohit's grandmother.
Q22. In a class of 55 students, Asha ranks 15th from the top. What is Asha's rank from the bottom?
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Answer: B. 41st
Rank from bottom = 55 − 15 + 1 = 41.
Q23. If today is Saturday, what day of the week will it be after 187 days?
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Answer: B. Thursday
187 ÷ 7 leaves remainder 5. Saturday + 5 days = Thursday.
Q24. What is the angle between the hour hand and the minute hand of a clock at 2:00?
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Answer: B. 60°
|30 × 2 − 5.5 × 0| = |60 − 0| → smaller angle = 60°.
Q25. If '×' means '÷', '÷' means '×', then what is the value of 13 ÷ 9 + 3 − 7?
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Answer: B. 113
After substitution: 13 × 9 + 3 − 7 = 113.