Number systems

 Aptitude Number systems

1) The number of prime numbers in (25)13 * (10)7 * (27)5 is?
A) 25
B) 32
C) 55
D) 42

2) what will be the remainder when (29)36 is divided by 28?
A) 0
B) 1
C) 29
D) 5

3) what is the difference in intrinsic value and local value of 6 in 8631
A) 496
B) 594
C) 725
D) 122

4) Replace the * in the number 6* 106 by a suitable digit so that the number formed is exactly
divisible by 11?
A) 2
B) 8
C) 5
D) 12

5) A number is greater than 3 but less than 8. Also the number is greater than 6 but less than 10
What is the number?
A) 7
B) 10
C) 5
D) 3

6) The number that is nearest to 2160 and exactly divisible by 52 is?
A) 2132
B) 2148
C) 2184
D) 2177