CBSE Class 8 Mathematics Logical Reasoning MCQs

1. In a row of boys facing North, A is sixteenth from the left end and C is sixteenth from the right end. B, who is fourth to the right of A, is fifth to the left of C in the row. How many boys are there in the row?
(A) 39
(B) 40
(C) 41
(D) 42
Answer : B

2. There is a certain relationship between the numbers on the either side of : :.
Select a number from the options which will replace the ‘?’.
3 : 15 : : 7 : ?
(A) 35
(B) 61
(C) 36
(D) 64
Answer : A

3. If ‘–’ stands for ‘division’, ‘+’ stands for ‘multiplication’, ‘÷’ stands for ‘subtraction’ and ‘×’ stands for ‘addition’, then which one of the following equations is CORRECT?
(A) 6 + 20 – 12 ÷ 7 – 1 = 38
(B) 6 – 3 ÷ 12 × 7 + 1 = 57
(C) 6 + 20 – 12 ÷ 7 × 1 = 62
(D) 6 ÷ 20 × 12 + 7 – 1 = 70
Answer : D

4. If ENGLAND is written as 1234526 and FRANCE is written as 785291, then how is GREECE coded?
(A) 381171
(B) 381191
(C) 832252
(D) 835545
Answer : B

5. Pointing to a photograph, a woman says,
“This man’s son’s sister is my mother-inlaw’’.
How is the woman’s husband related to the man in the photograph?
(A) Grandson
(B) Son
(C) Son-in-law
(D) Nephew
Answer : A

6. How many 5’s are there in the given number sequence which are immediately preceded by 7 and immediately followed by 6?
7 5 5 9 4 5 7 6 4 5 9 8 7 5 6 7 6 4 3 2 5 6 7 8
(A) One
(B) Two
(C) Three
(D) Four
Answer : A

7. Ritu and Priti starts walking from a fixed point. Ritu moves 5 km westward and turns left and then covers 6 km. Priti moves 7 km northward, turns left and walks 5 km. The distance between Ritu and Priti now is ________.
(A) 10 km
(B) 13 km
(C) 8 km
(D) 6 km
Answer : B

8. Which of the following Venn diagrams best represents the relationship amongst, “Bus, Scooter, Conveyance” ?

Answer : A

9. If the first half of the English alphabet is reversed and then next portion of English alphabet is reversed so as ‘A’ takes the position of ‘M’ and ‘N’ takes the position of ‘Z’ then which letter will be 6th to the left of 17th letter to the right of 7th letter from the left?
(A) U
(B) V
(C) C
(D) D
Answer : B

10. A, B, C, D, E, F, G and H are sitting around a circle facing the centre. B is second to the right of D, who is third to the right of F. C is second to the left of A, who is second to the left of F. G is third to the right of E. Who is on the immediate right of A?
(A) B
(B) E
(C) F
(D) None of these
Answer : B

11. Find the missing number.

(A) 11
(B) 12
(C) 22
(D) 33
Answer : C

12. In the given Venn diagram, find the region representing persons who are educated and employed but not confirmed in job.

(A) d
(B) e
(C) b
(D) a, b
Answer : C

13. Kunal walks 10 kilometres towards North. From there, he walks 6 kilometres towards South. Then, he walks 3 kilometres towards East. How far and in which direction is he with reference to his starting point?
(A) 5 kilometres West
(B) 5 kilometres North-East
(C) 7 kilometres East
(D) 7 kilometres West
Answer : B

14. If ‘lead’ is called ‘stick’, ‘stick’ is called ‘nib’, ‘nib’ is called ‘needle’, ‘needle’ is called ‘rope’ and ‘rope’ is called ‘thread’, then what will be fitted in a pen to write with it?
(A) stick
(B) lead
(C) needle
(D) nib
Answer : C

15. Which of the following words CANNOT be formed by using the letters of the given word CONCENTRATE
(A) TREAT
(B) CONCERN
(C) TRAIN
(D) CENTRE
Answer : C

Answer 16: B

Answer 17: B

Answer 18: B

Answer 19: B

Answer 20: B

Answer 21: A

Answer 22: C

Answer 23: B

Answer 24: B

Answer 25: A

Answer 26: C

Answer 27: A

Answer 28: B

Answer 29: B

Answer 30: D