1000+ Aptitude Number System Questions and Answers - 2

Question: 6

What is the minimum number of four digits formed by using the digit 2, 3, 0, 7?

(A) 2047

(B) 2247

(C) 2407

(D) 2470

Question: 7

The sum of the greatest and smallest number of five digits is

(A) 10,999

(B) 109,999

(C) 11,110

(D) 111,110

Question: 8

38649 – 1624 – 4483 = ?

(A) 32425

(B) 32452

(C) 34522

(D) 32542

Question: 9

587 x 999 = ?

(A) 586413

(B) 587523

(C) 614823

(D) 615173

Question: 10

The sum of the first four primes is

(A) 10

(B) 11

(C) 16

(D) 17