Top 100+ Problems on Numbers Aptitude Questions and Answers - 1

Question: 1

In a division sum, quotient is 403, divisor is 100 and remainder is 58. Then dividend will be

(A) 40318

(B) 40358

(C) 41318

(D) 49158

Ans: B

Divided = ( Divisor × Quotient ) + Remainder

= (403 × 100) + 58

= 40358.

Question: 2

The largest natural number by which the product of three consecutive even natural numbers is always divisible is

(A) 16

(B) 24

(C) 48

(D) 96

Ans: C

Required number = 2 x 4 x 6 = 48.

Question: 3

The largest natural number which exactly divides the product of any four consecutive natural numbers is

(A) 6

(B) 12

(C) 24

(D) 120

Ans: C

Required number = 1 x 2 x 3 x 4 = 24.

Question: 4

The smallest prime number greater than 1000 is

(A) 1001

(B) 1003

(C) 1009

(D) 1007

Ans: C

1001 = 13 x 77,

1003 = 17 x 59,

1007 = 19 x 53

Therefore 1009 is a prime number.

Question: 5

Which of the following numbers is divisible by 25?

(A) 124505

(B) 437950

(C) 505520

(D) 500555

Ans: B

437950 is the only number among the given numbers such that
437950 = 5 x 5 x 17518 which has 25 as a factor.

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