Q1. If '+' means '×', '×' means '+', then what is the value of 13 + 18 − 8 × 7?
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Answer: C. 233
After substitution: 13 × 18 − 8 + 7 = 233.
SSC CGL General Intelligence & Reasoning Advanced Practice Set 6
25 advanced questions, suggested time 30 minutes. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Mathematical Operations, Number Series, Alphabet Series, Coding-Decoding, Analogy, Classification, Direction Sense, Blood Relations, Calendar, Clock
Score: 0 / 0
Q2. Find the next number in the series: 9, 14, 23, 36, 53, ?
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Answer: A. 74
Differences are 5, 9, 13, 17, 21 (increasing by 4). So 53 + 21 = 74.
Q3. Find the missing number in the series: 19, 54, 21, ?, 23, 44
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Answer: D. 49
Two alternating series: 19, 21, 23 (+2) and 54, 49, 44 (−5).
Q4. Find the next term: FH, LN, RT, ?
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Answer: A. XZ
Each pair's letters are 2 apart, and each new pair starts 6 letters after the previous one: XZ.
Q5. In a certain code, SILVER is written as 170. How is CLOUD written in that code?
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Answer: A. 110
Code = 2 × (sum of letter positions). SILVER: 2 × 85 = 170. CLOUD: 2 × 55 = 110.
Q6. Find the missing term: HOR : IPS :: LEM : ?
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Answer: A. MFN
Each letter moves 1 place forward: LEM → MFN.
Q7. Find the odd one out: 143, 144, 324, 361
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Answer: A. 143
All except 143 are perfect squares.
Q8. Rahul walks 7 m towards South, then turns left and walks 4 m, and finally turns left and walks 2 m. In which direction is Rahul now from the starting point?
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Answer: B. South-East
Net displacement: 5 m South and 4 m East. So Rahul is to the South-East of the start.
Q9. Ajay is the father of Amit. Meena is the mother of Ajay. How is Meena related to Amit?
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Answer: B. Grandmother
Meena is Amit's father's mother, i.e. Amit's grandmother.
Q10. What day of the week was 4 March 1978?
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Answer: C. Saturday
1 January 1978 was a Sunday. 4 March is 62 days later; 62 mod 7 = 6 odd days, so it falls on a Saturday.
Q11. What is the angle between the hour hand and the minute hand of a clock at 1:04?
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Answer: A. 8°
|30 × 1 − 5.5 × 4| = |30 − 22| → smaller angle = 8°.
Q12. If '+' means '÷', '−' means '×', '×' means '−', '÷' means '+', then what is the value of 19 − 12 × 15 ÷ 9?
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Answer: B. 222
After substitution: 19 × 12 − 15 + 9 = 222.
Q13. Find the next number in the series: 19, 26, 33, 40, 47, ?
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Answer: D. 54
Each term increases by 7: 47 + 7 = 54.
Q14. Find the missing number in the series: 2, 5, 9, ?, 37, 75
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Answer: D. 19
Pattern: ×2 + 1, ×2 − 1 alternately.
Q15. In a certain code, CAMERA is written as 82. How is TRAIN written in that code?
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Answer: B. 124
Code = 2 × (sum of letter positions). CAMERA: 2 × 41 = 82. TRAIN: 2 × 62 = 124.
Q16. Find the missing term: 2 : 9 :: 7 : ?
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Answer: B. 344
Rule: n³ + 1. 7³ + 1 = 344.
Q17. Find the odd one out: GIL, IKM, JLN, SUW
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Answer: C. GIL
In all groups except GIL, consecutive letters are 2 apart. In GIL the second gap is 3.
Q18. Kavita walks 6 m towards North, then turns left and walks 5 m, and finally turns right and walks 8 m. In which direction is Kavita now from the starting point?
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Answer: C. North-West
Net displacement: 14 m North and 5 m West. So Kavita is to the North-West of the start.
Q19. Kunal is the father of Nitin. Swati is the mother of Kunal. How is Swati related to Nitin?
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Answer: C. Grandmother
Swati is Nitin's father's mother, i.e. Nitin's grandmother.
Q20. What day of the week was 28 November 1991?
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Answer: C. Thursday
1 January 1991 was a Tuesday. 28 November is 331 days later; 331 mod 7 = 2 odd days, so it falls on a Thursday.
Q21. If '+' means '÷', '−' means '×', '×' means '+', '÷' means '−', then what is the value of 19 − 7 × 8 ÷ 7?
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Answer: C. 134
After substitution: 19 × 7 + 8 − 7 = 134.
Q22. Find the missing number in the series: 7, 15, 29, 59, ?, 235
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Answer: C. 117
Pattern: ×2 + 1, ×2 − 1 alternately.
Q23. Find the next term: BD, FH, JL, ?
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Answer: C. NP
Each pair's letters are 2 apart, and each new pair starts 4 letters after the previous one: NP.
Q24. If CLOUD is coded as 55, then how is WATER coded? (Code = sum of letter positions)
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Answer: C. 67
WATER: 23 + 1 + 20 + 5 + 18 = 67.
Q25. Find the missing term: 9 : 730 :: 6 : ?
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Answer: C. 217
Rule: n³ + 1. 6³ + 1 = 217.