# General Studies: Important for Exam: Mathematical Aptitude Part 1

Doorsteptutor material for IMO-Level-2 is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.

Q. Find out the next term of the seriesâ€”

1, 2, 4, 7, 11, â€¦â€¦

(A) 16

(B) 12

(C) 9

(D) 4

Ans : (A)

Q. Find out the missing term of the seriesâ€”

11, 13, 17, 19, 23, 29, 31, 37, 41â€¦â€¦

(A) 43

(B) 47

(C) 53

(D) 51

Ans : (B)

Q. Find the odd man outâ€”

1, 5, 14, 30, 50, 55, 91

(A) 5

(B) 50

(C) 55

(D) 91

Ans : (B)

Q. Find out wrong number in each sequenceâ€”

582, 605, 588, 611, 634, 617, 600

(A) 634

(B) 611

(C) 605

(D) 600

Ans : (A)

Q. Insert the missing numberâ€”

16, 33, 65, 131, 261, (â€¦â€¦)

(A) 523

(B) 521

(C) 613

(D) 721

Ans : (A)

Q.

(A)

(B)

(C)

(D)

Ans : (D)

Q. If 2 tables and 3 chairs cost Rs. 3500 and 3 tables and 2 chairs cost Rs. 4000, then how much does a table cost ?

(A) Rs. 500

(B) Rs. 750

(C) Rs. 1000

(D) Rs. 1500

Ans : (C)

Q. The sum of first five prime numbers isâ€”

(A) 11

(B) 18

(C) 26

(D) 28

Ans : (D)

Q. Three numbers are in the ratio and their H. C. F. is 12. The numbers are â€”

(A)

(B)

(C)

(D)

Ans : (D)