Q1. If today is Monday, what day of the week will it be after 116 days?
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Answer: D. Friday
116 ÷ 7 leaves remainder 4. Monday + 4 days = Friday.
SSC CGL General Intelligence & Reasoning Intermediate Practice Set 8
25 intermediate questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Calendar, Classification, Number Series, Clock, Number Ranking, Mathematical Operations, Alphabet Test, Dictionary Order, Missing Number, Ranking and Order, Coding-Decoding, Analogy
Score: 0 / 0
Q2. Find the odd pair: 3:27, 4:64, 7:344, 8:512
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Answer: A. 7:344
In each pair except 7:344, the second number is the cube of the first.
Q3. Find the wrong number in the series: 28, 37, 45, 55, 64, 73, 82
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Answer: C. 45
Rule: add 9. The term should be 46, not 45.
Q4. What is the angle between the hour hand and the minute hand of a clock at 9:35?
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Answer: D. 77.5°
|30 × 9 − 5.5 × 35| = |270 − 192.5| → smaller angle = 77.5°.
Q5. If the digits of the number 63814 are arranged in ascending order, what is the sum of the 1st and 3rd digits from the left?
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Answer: A. 5
Ascending: 13468. 1 + 4 = 5.
Q6. If '+' means '×', '−' means '÷', '×' means '+', '÷' means '−', then what is the value of 6 × 9 + 6 ÷ 16?
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Answer: B. 44
After substitution: 6 + 9 × 6 − 16 = 44.
Q7. Find the next number in the series: 4, 1, 5, 6, 11, ?
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Answer: C. 17
Each term is the sum of the previous two. Next = 17.
Q8. How many numbers from 1 to 250 are divisible by both 9 and 2?
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Answer: B. 13
LCM(9, 2) = 18; ⌊250/18⌋ = 13.
Q9. Which letter is 3rd to the right of the 6th letter from the left in the English alphabet?
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Answer: C. I
The 6th letter is F. 3 places to the right gives I.
Q10. Find the wrong number in the series: 24, 30, 36, 42, 51, 54, 60
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Answer: D. 51
Rule: add 6. The term should be 48, not 51.
Q11. Find the odd pair: 2:4, 4:16, 5:25, 11:122
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Answer: D. 11:122
In each pair except 11:122, the second number is the square of the first.
Q12. If the following words are arranged in dictionary order, which word comes 2nd? Tragic, Trader, Trance, Travel
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Answer: B. Tragic
Dictionary order: Trader, Tragic, Trance, Travel. The 2nd word is Tragic.
Q13. Find the missing number, following the same rule in each group: (4, 2, 36); (12, 4, 256); (8, 9, ?)
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Answer: C. 289
Rule: third = (first + second)². 8, 9 → 289.
Q14. A clock shows 8:20. What time will its mirror image show?
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Answer: D. 3:40
11:60 − 8:20 = 3:40.
Q15. Find the next number in the series: 35, 48, 63, 80, 99, ?
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Answer: A. 120
Terms are n² − 1 for n = 6…11: 11² − 1 = 120.
Q16. How many numbers from 1 to 400 are divisible by 4 or 3?
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Answer: C. 200
⌊400/4⌋ + ⌊400/3⌋ − ⌊400/12⌋ = 100 + 133 − 33 = 200.
Q17. Find the next number in the series: 8, 17, 35, 71, 143, ?
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Answer: D. 287
Each term = previous × 2 + 1. Next = 287.
Q18. Find the missing number in the series: 18, 55, 22, 51, ?, 47
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Answer: B. 26
Two alternating series: 18, 22, 26 (+4) and 55, 51, 47 (−4).
Q19. In a row of 36 people, Neha is 7th from the left and Divya is 16th from the right. How many people are there between them?
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Answer: C. 13
Between = 36 − (7 + 16) = 13.
Q20. If the letters of the word 'COUNTRY' are arranged in alphabetical order, which letter will be 4th from the left?
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Answer: A. R
Alphabetical order: CNORTUY. The 4th letter is R.
Q21. A clock shows 9:30. What time will its mirror image show?
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Answer: C. 2:30
11:60 − 9:30 = 2:30.
Q22. Find the missing number, following the same rule in each group: (6, 12, 324); (7, 7, 196); (10, 9, ?)
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Answer: A. 361
Rule: third = (first + second)². 10, 9 → 361.
Q23. In a certain code, TABLE is written as GNDCV. How is RIVER written in that code?
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Answer: B. TGXKT
Each letter moves 2 places forward and the result is reversed. So RIVER → TGXKT.
Q24. Find the missing term: 5 : 24 :: 17 : ?
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Answer: C. 288
Rule: n² − 1. 17² − 1 = 288.
Q25. Find the missing term: 10 : 1001 :: 11 : ?
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Answer: C. 1332
Rule: n³ + 1. 11³ + 1 = 1332.