Q1. If the following words are arranged in dictionary order, which word comes 3rd? Bottle, Bottom, Boring, Border
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Answer: D. Bottle
Dictionary order: Border, Boring, Bottle, Bottom. The 3rd word is Bottle.
SSC CGL General Intelligence & Reasoning Intermediate Practice Set 10
25 intermediate questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Dictionary Order, Number Series, Number Ranking, Classification, Missing Number, Clock, Alphabet Series, Coding-Decoding, Ranking and Order, Analogy, Direction Sense, Alphabet Test, Blood Relations
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Q2. Find the next number in the series: 1, 6, 21, 66, 201, ?
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Answer: B. 606
Each term = previous × 3 + 3. Next = 606.
Q3. How many numbers from 1 to 200 are divisible by both 8 and 9?
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Answer: D. 2
LCM(8, 9) = 72; ⌊200/72⌋ = 2.
Q4. Find the next number in the series: 1, 2, 7, 16, 29, ?
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Answer: D. 46
Differences are 1, 5, 9, 13, 17 (increasing by 4). So 29 + 17 = 46.
Q5. Find the wrong number in the series: 3, 6, 12, 24, 48, 99, 192
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Answer: C. 99
Rule: multiply by 2. The term should be 96, not 99.
Q6. Find the odd pair: 5:25, 9:81, 11:121, 12:146
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Answer: C. 12:146
In each pair except 12:146, the second number is the square of the first.
Q7. Find the missing number in the series: 15, 42, ?, 38, 23, 34
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Answer: C. 19
Two alternating series: 15, 19, 23 (+4) and 42, 38, 34 (−4).
Q8. Find the missing number, following the same rule in each group: (10, 8, 80); (2, 11, 22); (12, 2, ?)
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Answer: B. 24
Rule: third = first × second. 12, 2 → 24.
Q9. A clock shows 11:10. What time will its mirror image show?
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Answer: A. 12:50
11:60 − 11:10 = 12:50.
Q10. Find the next letter in the series: B, D, F, H, ?
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Answer: D. J
Each letter moves 2 places forward: H + 2 = J.
Q11. How many numbers from 1 to 700 are divisible by 5 or 6?
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Answer: D. 233
⌊700/5⌋ + ⌊700/6⌋ − ⌊700/30⌋ = 140 + 116 − 23 = 233.
Q12. Find the next number in the series: 43, 47, 53, 59, 61, ?
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Answer: C. 67
These are consecutive prime numbers. Next = 67.
Q13. In a certain code, CANDLE is written as XZMWOV. How is PENCIL written in that code?
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Answer: A. KVMXRO
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So PENCIL → KVMXRO.
Q14. In a row of 47 people, Anjali is 5th from the left and Amit is 22nd from the right. How many people are there between them?
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Answer: B. 20
Between = 47 − (5 + 22) = 20.
Q15. Find the missing term: 3 : 9 :: 10 : ?
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Answer: D. 100
The second term is the square of the first: 10² = 100.
Q16. A clock shows 11:55. What time will its mirror image show?
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Answer: A. 12:05
11:60 − 11:55 = 12:05.
Q17. Find the missing number, following the same rule in each group: (2, 5, 17); (2, 8, 26); (2, 12, ?)
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Answer: A. 38
Rule: third = first × second + first + second. 2, 12 → 38.
Q18. Find the odd one out: 16, 63, 64, 144
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Answer: A. 63
All except 63 are perfect squares.
Q19. Find the missing term: 12 : 6 :: 46 : ?
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Answer: D. 23
The second term is half the first: 46/2 = 23.
Q20. Suresh walks 10 m towards West, then turns left and walks 12 m, then turns right and walks 11 m, and finally turns right and walks 9 m. In which direction is Suresh now from the starting point?
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Answer: D. South-West
Net displacement: 3 m South and 21 m West. So Suresh is to the South-West of the start.
Q21. If the letters of the word 'COMPUTER' are arranged in alphabetical order, which letter will be 6th from the left?
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Answer: D. R
Alphabetical order: CEMOPRTU. The 6th letter is R.
Q22. In a row of 47 people, Swati is 6th from the left and Kunal is 15th from the right. How many people are there between them?
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Answer: C. 26
Between = 47 − (6 + 15) = 26.
Q23. Pointing to a woman, Kunal said, 'She is the daughter of my grandfather's only son.' How is the woman related to Kunal?
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Answer: A. Sister
Grandfather's only son = Kunal's father; his daughter is Kunal's sister.
Q24. If the digits of the number 18623 are arranged in ascending order, what is the sum of the 3rd and 4th digits from the left?
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Answer: A. 9
Ascending: 12368. 3 + 6 = 9.
Q25. How many pairs of letters are there in the word 'TEACHER' 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: C. 3
The pairs are: EC, EH, CE. Total = 3.