56. 

Which of the following numbers will completely divide (4915 - 1) ?

A. 8
B.

14

C.

46

D.

50


57. 

On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:

A. 10
B.

11

C.

12

D.

13


58. 

How many prime numbers are less than 50 ?

A. 16
B.

15

C.

14

D.

18


59. 

A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be:

A. 553681
B.

555181

C.

555681

D.

556581


60. 

Which natural number is nearest to 8485, which is completely divisible by 75 ?

A. 8475
B.

8500

C.

8550

D.

8525