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

Glide to success with Doorsteptutor material for CSIR : fully solved questions with step-by-step explanation- practice your way to success.

Q. Find out the next term of the series —

1, 2, 4,7, 11, …

(A) 16

(B) 12

(C) 9

(D) 4

Ans: (A)

Q. Find out the missing term of the series —

11, 13, 17, 19, 23, 29, 31,37, 41 …

(A) 43

(B) 47

(C) 53

(D) 51

Ans: (B)

Q. Find the odd man out —

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

(A) 5

(B) 50

(C) 55

(D) 91

Ans: (B)

Q. Find out wrong number in each sequence —

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

(A) 634

(B) 611

(C) 605

(D) 600

Ans: (A)

Q. Insert the missing number —

16, 33, 65,131, 261, (…)

(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 ₹ 3500 and 3 tables and 2 chairs cost ₹ 4000, then how much does a table cost?

(A) ₹ 500

(B) ₹ 750

(C) ₹ 1000

(D) ₹ 1500

Ans: (C)

Q. The sum of first five prime numbers is —

(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 —

(A)

(B)

(C)

(D)

Ans: (D)

Developed by: