Exercise 2

11.Find the number of zeros present at the end of 68! ?
A) 13
B) 14
C) 15
D) 16

12) Find the number of zeros present at the end of 75! ?
A)20
B) 18
C) 20
D) 19

13) Find the number of zeros in the following product (12 !) ^13! x (17 !)^30!
A)(2 x 13!) + (3 x 30!)
B)13! + 17!
C)(2 x 13!) + (30!)
D)None of these

14) What is the remainder, when (200)²⁰⁰ is divided by 7.
A) 2
B) 5
C) 4
D) 3

15)What is the remainder, when (571)⁷⁷ is divided by 9.?
A) 5
B) 3
C) 4
D) 7

16) What is the remainder, when (58)⁸⁵ is divided by 5.
A) 3
B) 2
C) 5
D) 1

17) What will be the remainder when 13³⁶ is divided by 2196?
A) 0
B) 2
C) 1
D) 2196

18) The remainder when 7⁸⁴ is divided by 342 is ?
A) 0
B) 1
C) 49
D) 342

19) What will be the remainder when 13³⁶ is divided by 2196?
A) 0
B) 2
C) 1
D) 2196

20) What will be the remainder when 15⁸¹+ 16⁸¹ is divided by 31 is [Amcat] ?
A) 0
B) 2
C) 1
D) 2196