Q1. What day of the week was 11 March 1984?
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Answer: A. Sunday
1 January 1984 was a Sunday. 11 March is 70 days later; 70 mod 7 = 0 odd days, so it falls on a Sunday.
SSC CGL General Intelligence & Reasoning Advanced Practice Set 8
25 advanced questions, suggested time 30 minutes. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Calendar, Number Series, Number Ranking, Clock, Mathematical Operations, Missing Number, Analogy, Alphabet Test, Alphabet Series, Coding-Decoding, Classification
Score: 0 / 0
Q2. Find the next number in the series: 71, 73, 79, 83, 89, ?
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Answer: B. 97
These are consecutive prime numbers. Next = 97.
Q3. How many numbers from 1 to 200 are divisible by both 7 and 8?
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Answer: C. 3
LCM(7, 8) = 56; ⌊200/56⌋ = 3.
Q4. What is the angle between the hour hand and the minute hand of a clock at 5:50?
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Answer: A. 125°
|30 × 5 − 5.5 × 50| = |150 − 275| → smaller angle = 125°.
Q5. Find the wrong number in the series: 64, 81, 100, 121, 144, 168, 196
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Answer: D. 168
Rule: squares of 8 to 14. The term should be 169, not 168.
Q6. Find the wrong number in the series: 2, 5, 8, 16, 32, 64, 128
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Answer: B. 5
Rule: multiply by 2. The term should be 4, not 5.
Q7. If '+' means '×', '−' means '+', '×' means '÷', '÷' means '−', then what is the value of 13 − 19 + 8 ÷ 6?
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Answer: B. 159
After substitution: 13 + 19 × 8 − 6 = 159.
Q8. Find the missing number, following the same rule in each group: (7, 9, 79); (9, 10, 109); (12, 9, ?)
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Answer: C. 129
Rule: third = first × second + first + second. 12, 9 → 129.
Q9. Find the missing term: 44 : 22 :: 26 : ?
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Answer: B. 13
The second term is half the first: 26/2 = 13.
Q10. Find the next number in the series: 12, 16, 23, 33, 46, ?
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Answer: B. 62
Differences are 4, 7, 10, 13, 16 (increasing by 3). So 46 + 16 = 62.
Q11. How many numbers from 1 to 450 are divisible by 3 or 6?
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Answer: D. 150
⌊450/3⌋ + ⌊450/6⌋ − ⌊450/6⌋ = 150 + 75 − 75 = 150.
Q12. If the letters of the word 'CAPTAIN' are arranged in alphabetical order, which letter will be 3rd from the left?
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Answer: B. C
Alphabetical order: AACINPT. The 3rd letter is C.
Q13. Find the missing number in the series: 5, 11, 21, 43, 85, ?
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Answer: C. 171
Pattern: ×2 + 1, ×2 − 1 alternately.
Q14. A clock shows 12:05. What time will its mirror image show?
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Answer: D. 11:55
11:60 − 12:05 = 11:55.
Q15. A clock shows 5:10. What time will its mirror image show?
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Answer: D. 6:50
11:60 − 5:10 = 6:50.
Q16. Find the next term: DE, IJ, NO, ?
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Answer: B. ST
Each pair's letters are 1 apart, and each new pair starts 5 letters after the previous one: ST.
Q17. How many pairs of letters are there in the word 'MAGAZINE' 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: AE. Total = 1.
Q18. Find the missing number, following the same rule in each group: (7, 5, 35); (4, 2, 8); (12, 9, ?)
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Answer: B. 108
Rule: third = first × second. 12, 9 → 108.
Q19. If CLOUD is coded as 55, then how is PLANET coded? (Code = sum of letter positions)
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Answer: C. 68
PLANET: 16 + 12 + 1 + 14 + 5 + 20 = 68.
Q20. If the letters of the word 'HOSPITAL' are arranged in alphabetical order, which letter will be 4th from the left?
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Answer: D. L
Alphabetical order: AHILOPST. The 4th letter is L.
Q21. Find the next number in the series: 37, 41, 43, 47, 53, ?
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Answer: C. 59
These are consecutive prime numbers. Next = 59.
Q22. Find the missing term: 3 : 9 :: 14 : ?
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Answer: A. 196
The second term is the square of the first: 14² = 196.
Q23. Find the odd pair: 2:5, 4:9, 8:18, 11:23
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Answer: B. 8:18
In each pair except 8:18, the second number is 2 × first + 1.
Q24. Find the odd pair: 3:27, 4:65, 7:343, 8:512
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Answer: D. 4:65
In each pair except 4:65, the second number is the cube of the first.
Q25. Find the odd one out: 40, 56, 88, 90
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Answer: A. 90
All except 90 are multiples of 8.