Q1. Find the next number in the series: 6, 11, 19, 30, 44, ?
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Answer: A. 61
Differences are 5, 8, 11, 14, 17 (increasing by 3). So 44 + 17 = 61.
SSC CGL General Intelligence & Reasoning Advanced Practice Set 3
25 advanced questions, suggested time 30 minutes. 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, Calendar, Clock, Mathematical Operations
Score: 0 / 0
Q2. Find the missing number in the series: 3, 56, 5, 51, ?, 46
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Answer: D. 7
Two alternating series: 3, 5, 7 (+2) and 56, 51, 46 (−5).
Q3. Find the next term: DF, HJ, LN, ?
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Answer: D. PR
Each pair's letters are 2 apart, and each new pair starts 4 letters after the previous one: PR.
Q4. In a certain code, CANDLE is written as 78. How is CLOUD written in that code?
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Answer: A. 110
Code = 2 × (sum of letter positions). CANDLE: 2 × 39 = 78. CLOUD: 2 × 55 = 110.
Q5. Find the missing term: 5 : 25 :: 10 : ?
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Answer: A. 100
The second term is the square of the first: 10² = 100.
Q6. Find the odd one out: 35, 38, 70, 84
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Answer: C. 38
All except 38 are multiples of 7.
Q7. Ravi walks 10 m towards West, then turns right and walks 10 m, then turns left and walks 11 m, and finally turns right and walks 5 m. In which direction is Ravi now from the starting point?
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Answer: A. North-West
Net displacement: 15 m North and 21 m West. So Ravi is to the North-West of the start.
Q8. Pointing to a photograph, Shalini said, 'His mother is the only daughter of my mother.' How is Shalini related to the person in the photograph?
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Answer: C. Mother
The person's mother is Shalini, so Shalini is the person's mother.
Q9. What day of the week was 14 December 1958?
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Answer: C. Sunday
1 January 1958 was a Wednesday. 14 December is 347 days later; 347 mod 7 = 4 odd days, so it falls on a Sunday.
Q10. What is the angle between the hour hand and the minute hand of a clock at 7:54?
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Answer: D. 87°
|30 × 7 − 5.5 × 54| = |210 − 297| → smaller angle = 87°.
Q11. If '×' means '÷', '÷' means '×', then what is the value of 17 − 8 + 19 ÷ 18?
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Answer: C. 351
After substitution: 17 − 8 + 19 × 18 = 351.
Q12. Find the next number in the series: 15, 21, 27, 33, 39, ?
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Answer: A. 45
Each term increases by 6: 39 + 6 = 45.
Q13. Find the missing number in the series: 10, 21, ?, 83, 165, 331
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Answer: C. 41
Pattern: ×2 + 1, ×2 − 1 alternately.
Q14. Find the next term: BD, GI, LN, ?
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Answer: D. QS
Each pair's letters are 2 apart, and each new pair starts 5 letters after the previous one: QS.
Q15. In a certain code, FOREST is written as 166. How is RIVER written in that code?
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Answer: D. 144
Code = 2 × (sum of letter positions). FOREST: 2 × 83 = 166. RIVER: 2 × 72 = 144.
Q16. Find the missing term: 10 : 1001 :: 4 : ?
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Answer: A. 65
Rule: n³ + 1. 4³ + 1 = 65.
Q17. Find the odd one out: 32, 35, 72, 104
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Answer: B. 35
All except 35 are multiples of 8.
Q18. Arjun walks 7 m towards East, then turns right and walks 5 m, then turns left and walks 6 m, and finally turns right and walks 12 m. In which direction is Arjun now from the starting point?
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Answer: A. South-East
Net displacement: 17 m South and 13 m East. So Arjun is to the South-East of the start.
Q19. Sanjay is the son of Deepak. Deepak is the brother of Pooja. Pooja is the daughter of Sita. How is Sanjay related to Sita?
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Answer: C. Grandson
Deepak is Sita's son, so Sanjay, son of Deepak, is Sita's grandson.
Q20. What day of the week was 19 March 2015?
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Answer: A. Thursday
1 January 2015 was a Thursday. 19 March is 77 days later; 77 mod 7 = 0 odd days, so it falls on a Thursday.
Q21. What is the angle between the hour hand and the minute hand of a clock at 2:16?
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Answer: B. 28°
|30 × 2 − 5.5 × 16| = |60 − 88| → smaller angle = 28°.
Q22. If '+' means '−', '−' means '+', '×' means '÷', '÷' means '×', then what is the value of 12 − 16 ÷ 14 × 2?
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Answer: D. 124
After substitution: 12 + 16 × 14 ÷ 2 = 124.
Q23. Find the next number in the series: 1, 4, 11, 22, 37, ?
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Answer: A. 56
Differences are 3, 7, 11, 15, 19 (increasing by 4). So 37 + 19 = 56.
Q24. Find the missing number in the series: 5, 32, 7, 28, 9, ?
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Answer: C. 24
Two alternating series: 5, 7, 9 (+2) and 32, 28, 24 (−4).
Q25. Find the next term: HJ, MO, RT, ?
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Answer: B. WY
Each pair's letters are 2 apart, and each new pair starts 5 letters after the previous one: WY.