Q1. A clock shows 11:30. What time will its mirror image show?
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Answer: A. 12:30
11:60 − 11:30 = 12:30.
SSC CGL General Intelligence & Reasoning Advanced Practice Set 10
25 advanced questions, suggested time 30 minutes. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Clock, Alphabet Test, Missing Number, Classification, Number Series, Direction Sense, Blood Relations, Analogy, Calendar, Number Ranking, Mathematical Operations
Score: 0 / 0
Q2. A clock shows 4:45. What time will its mirror image show?
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Answer: A. 7:15
11:60 − 4:45 = 7:15.
Q3. How many pairs of letters are there in the word 'NOTEBOOK' which have as many letters between them in the word as in the English alphabet (counting both forward and backward)?
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Answer: A. 1
The pairs are: NO. Total = 1.
Q4. Find the missing number, following the same rule in each group: (10, 3, 169); (12, 2, 196); (12, 7, ?)
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Answer: B. 361
Rule: third = (first + second)². 12, 7 → 361.
Q5. Find the odd one out: JLO, NPR, SUW, TVX
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Answer: B. JLO
In all groups except JLO, consecutive letters are 2 apart. In JLO the second gap is 3.
Q6. If the letters of the word 'KITCHEN' are arranged in alphabetical order, which letter will be 5th from the left?
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Answer: C. K
Alphabetical order: CEHIKNT. The 5th letter is K.
Q7. Find the next number in the series: 8, 9, 17, 26, 43, ?
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Answer: A. 69
Each term is the sum of the previous two. Next = 69.
Q8. Pooja walks 5 m towards East, then turns left and walks 6 m, then turns right and walks 7 m, and finally turns left and walks 11 m. In which direction is Pooja now from the starting point?
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Answer: D. North-East
Net displacement: 17 m North and 12 m East. So Pooja is to the North-East of the start.
Q9. Find the odd pair: 4:16, 9:81, 10:100, 11:120
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Answer: C. 11:120
In each pair except 11:120, the second number is the square of the first.
Q10. Find the odd pair: 4:9, 7:15, 10:20, 12:25
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Answer: D. 10:20
In each pair except 10:20, the second number is 2 × first + 1.
Q11. Pointing to a woman, Pooja said, 'She is the daughter of my grandfather's only son.' How is the woman related to Pooja?
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Answer: D. Sister
Grandfather's only son = Pooja's father; his daughter is Pooja's sister.
Q12. Find the missing term: 6 : 42 :: 17 : ?
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Answer: B. 306
Rule: n(n + 1). 17 × 18 = 306.
Q13. How many pairs of letters are there in the word 'BLANKET' which have as many letters between them in the word as in the English alphabet (counting both forward and backward)?
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Answer: D. 1
The pairs are: LN. Total = 1.
Q14. What day of the week was 16 October 1988?
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Answer: D. Sunday
1 January 1988 was a Friday. 16 October is 289 days later; 289 mod 7 = 2 odd days, so it falls on a Sunday.
Q15. Find the next number in the series: 9, 2, 11, 13, 24, ?
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Answer: A. 37
Each term is the sum of the previous two. Next = 37.
Q16. How many numbers from 1 to 500 are divisible by both 5 and 8?
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Answer: B. 12
LCM(5, 8) = 40; ⌊500/40⌋ = 12.
Q17. What is the angle between the hour hand and the minute hand of a clock at 3:34?
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Answer: C. 97°
|30 × 3 − 5.5 × 34| = |90 − 187| → smaller angle = 97°.
Q18. Find the wrong number in the series: 4, 8, 14, 32, 64, 128, 256
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Answer: C. 14
Rule: multiply by 2. The term should be 16, not 14.
Q19. Find the wrong number in the series: 9, 16, 26, 36, 49, 64, 81
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Answer: C. 26
Rule: squares of 3 to 9. The term should be 25, not 26.
Q20. If '+' means '÷', '÷' means '+', then what is the value of 15 + 15 × 10 ÷ 14?
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Answer: D. 24
After substitution: 15 ÷ 15 × 10 + 14 = 24.
Q21. Find the missing number, following the same rule in each group: (7, 2, 14); (3, 7, 21); (6, 9, ?)
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Answer: A. 54
Rule: third = first × second. 6, 9 → 54.
Q22. Find the missing term: 16 : 8 :: 32 : ?
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Answer: A. 16
The second term is half the first: 32/2 = 16.
Q23. How many numbers from 1 to 100 are divisible by 8 or 7?
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Answer: B. 25
⌊100/8⌋ + ⌊100/7⌋ − ⌊100/56⌋ = 12 + 14 − 1 = 25.
Q24. If the letters of the word 'FESTIVAL' are arranged in alphabetical order, which letter will be 3rd from the left?
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Answer: D. F
Alphabetical order: AEFILSTV. The 3rd letter is F.
Q25. Find the missing number in the series: 6, 13, ?, 51, 101, 203
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Answer: D. 25
Pattern: ×2 + 1, ×2 − 1 alternately.