Mock Test

Exam: SSC CGL Subject: General Intelligence and Reasoning Topic: Series

Total Questions: 20

Q1. What is the smallest number that when divided by 5, 6, and 8 leaves a remainder of 3 in each case?

117 120 123 133
Q2. What comes next in the series: → ← → ← ? ...

→ ← ↑ ↓
Q3. Which number is even in the sequence: 1, 2, 3, 5, 7, 9?

1 3 2 9
Q4. What is the mirror image of the word 'VISION'?

NOISIV VISION NISIV NOSIV
Q5. What is the cost price of the item?

Statement (I) alone is sufficient, but statement (II) alone is not sufficient. Statement (II) alone is sufficient, but statement (I) alone is not sufficient. Both statements (I) and (II) together are sufficient, but neither statement alone is sufficient. Both statements (I) and (II) together are not sufficient.
Q6. A tank can be filled by pipe A in 4 hours and by pipe B in 6 hours. If both pipes are opened, in how much time will the tank be filled?

2 hours 2.4 hours 3 hours 3.5 hours
Q7. Select the mirror image of 'ROSE'.

ESOR ROSE ESOR OSER
Q8. What is the sum of the geometric series 2 + 6 + 18 + 54 + ... up to 3 terms?

72 80 90 100
Q9. If the common ratio of a geometric series is 0.5 and the first term is 16, what is the 4th term?

1 2 4 8
Q10. What is the next term in the sequence of squares: 1, 4, 9, ?

10 12 16 18
Q11. What is the speed of the car?

The speed of the car can be determined from statement I alone. The speed of the car can be determined from statement II alone. The speed of the car can be determined from either statement I or statement II alone. The speed of the car cannot be determined from any combination of the statements.
Q12. Find the wrong number in the following series: 1, 1, 2, 3, 5, 8, 13, 20

3 8 13 20
Q13. Is the number a perfect square?

The number being a perfect square can be determined from statement I alone. The number being a perfect square can be determined from statement II alone. The number being a perfect square can be determined from either statement I or statement II alone. The number being a perfect square cannot be determined from any combination of the statements.
Q14. In a mixed series, numbers follow an arithmetic progression with a difference of 5, and letters follow a reverse alphabetical order with a skip of 3. What is the next term in the series: 7Z, 12X, 17V, 22T, ?

27R 27S 28R 28Q
Q15. If F(n) is the nth term of the Fibonacci sequence (0, 1, 1, 2, 3, ...), what is F(11)?

55 89 144 233
Q16. Identify the missing number: 5, 10, 15, 20, ?

25 24 26 30
Q17. If 'A' is to the North of 'B' and 'C' is to the East of 'A', then in which direction is 'C' with respect to 'B'?

North-East South-East North-West South-West
Q18. At what angle between the hour hand and the minute hand when the time is 7:30?

15 degrees 22.5 degrees 30 degrees 45 degrees
Q19. If the sum of the squares of the first 'n' natural numbers is S_n, then the sum of squares of the first 'n' odd numbers is:

S_n - (sum of squares of first 'n' even numbers) (1/3) * n(2n-1)(2n+1) (1/2) * n(n+1)(2n+1) - 2*n(n+1)(2n+1)/3 (1/3) * (sum of squares of first '2n' natural numbers) - (sum of squares of first 'n' even numbers)
Q20. If the 10th term of an arithmetic series is 50 and the common difference is 5, what is the first term?

5 10 15 20

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