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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