Q1. A clock shows 6:20. What time will its mirror image show?
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Answer: B. 5:40
11:60 − 6:20 = 5:40.
SSC CGL General Intelligence & Reasoning Beginner Practice Set 10
25 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Clock, Missing Number, Analogy, Dictionary Order, Number Series, Number Ranking, Alphabet Series, Ranking and Order, Classification, Coding-Decoding, Calendar, Alphabet Test, Direction Sense
Score: 0 / 0
Q2. Find the missing number, following the same rule in each group: (11, 10, 441); (5, 11, 256); (7, 11, ?)
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Answer: C. 324
Rule: third = (first + second)². 7, 11 → 324.
Q3. Find the missing number, following the same rule in each group: (10, 4, 40); (8, 4, 32); (12, 2, ?)
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Answer: B. 24
Rule: third = first × second. 12, 2 → 24.
Q4. Find the missing term: 11 : 132 :: 20 : ?
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Answer: D. 420
Rule: n(n + 1). 20 × 21 = 420.
Q5. If the following words are arranged in dictionary order, which word comes 1st? Plane, Plasma, Plastic, Plaster
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Answer: C. Plane
Dictionary order: Plane, Plasma, Plaster, Plastic. The 1st word is Plane.
Q6. Find the wrong number in the series: 16, 26, 36, 46, 59, 66, 76
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Answer: C. 59
Rule: add 10. The term should be 56, not 59.
Q7. How many numbers from 1 to 950 are divisible by both 9 and 2?
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Answer: C. 52
LCM(9, 2) = 18; ⌊950/18⌋ = 52.
Q8. Find the wrong number in the series: 16, 25, 36, 49, 63, 81, 100
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Answer: B. 63
Rule: squares of 4 to 10. The term should be 64, not 63.
Q9. Find the next letter in the series: C, D, E, F, ?
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Answer: A. G
Each letter moves 1 place forward: F + 1 = G.
Q10. In a row of 43 people, Ritu is 12th from the left and Manoj is 8th from the right. How many people are there between them?
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Answer: D. 23
Between = 43 − (12 + 8) = 23.
Q11. Find the odd pair: 5:11, 8:17, 11:23, 12:27
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Answer: D. 12:27
In each pair except 12:27, the second number is 2 × first + 1.
Q12. In a certain code, SCHOOL is written as TDIPPM. How is BRIDGE written in that code?
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Answer: D. CSJEHF
Each letter moves 1 place forward. So BRIDGE → CSJEHF.
Q13. Which of the following is NOT a leap year?
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Answer: C. 1900
1900 is a century year not divisible by 400, so it is not a leap year. The others are leap years.
Q14. Find the missing term: STO : TUP :: LEM : ?
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Answer: C. MFN
Each letter moves 1 place forward: LEM → MFN.
Q15. If the letters of the word 'FESTIVAL' are arranged in alphabetical order, which letter will be 5th from the left?
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Answer: C. L
Alphabetical order: AEFILSTV. The 5th letter is L.
Q16. How many numbers from 1 to 500 are divisible by both 8 and 6?
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Answer: D. 20
LCM(8, 6) = 24; ⌊500/24⌋ = 20.
Q17. Find the odd one out: 65, 78, 81, 91
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Answer: A. 81
All except 81 are multiples of 13.
Q18. If the digits of the number 46859 are arranged in ascending order, what is the sum of the 2nd and 4th digits from the left?
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Answer: D. 13
Ascending: 45689. 5 + 8 = 13.
Q19. A clock shows 8:10. What time will its mirror image show?
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Answer: C. 3:50
11:60 − 8:10 = 3:50.
Q20. Kavita walks 8 km towards South, then turns left and walks 15 km. How far is Kavita from the starting point?
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Answer: B. 17 km
Distance = √(8² + 15²) = √289 = 17 km.
Q21. Find the missing term: 9 : 80 :: 22 : ?
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Answer: B. 483
Rule: n² − 1. 22² − 1 = 483.
Q22. If the digits of the number 98213 are arranged in ascending order, what is the sum of the 1st and 2nd digits from the left?
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Answer: B. 3
Ascending: 12389. 1 + 2 = 3.
Q23. In a row of students, Deepak is 29th from the left and 6th from the right. How many students are there in the row?
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Answer: B. 34
Total = 29 + 6 − 1 = 34.
Q24. Find the odd pair: 3:9, 4:16, 7:50, 11:121
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Answer: D. 7:50
In each pair except 7:50, the second number is the square of the first.
Q25. In a row of 54 people, Sita is 4th from the left and Rekha is 6th from the right. How many people are there between them?
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Answer: C. 44
Between = 54 − (4 + 6) = 44.