# Numbers Questions

Q:

The difference between the place value and the face value of 7 in the numeral 967452 is

 A) 6393 B) 5831 C) 6993 D) 6339

Explanation:

(Place value of 7)-(face value of 7)
=7000-7=6993.

110 35849
Q:

If

 A) 144 B) 72 C) 36 D) 24

Explanation:

Given a x a = 12

asked to find a x a x a x a =  (a x a) x (a x a)

a4 = a2 x a2

= 12 x 12

= 144.

5 32885
Q:

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) 13 B) 12 C) 11 D) 10

Explanation:

(2272-875) = 1397, is exactly divisible by N.

Now , 1397 = 11 x 127

The required 3-digit number is 127,the sum of digits is 10.

89 32567
Q:

How many terms are in the G.P. 3, 6, 12, 24, ......., 384 ?

 A) 8 B) 9 C) 10 D) 11

Explanation:

Here a = 3 and r = 6/3 = 2. Let the number of terms be n.
Then, t = 384 => a * r^(n-1) = 384
=> 3 * 2^(n-1) = 384 => 2^(n-1) = 128 = 2^(7)

=> n-1 = 7 => n = 8.

32 30813
Q:

A number when divided by 296 leaves 75 as remainder.When the same number is divided by 37,the remainder will be:

 A) 1 B) 3 C) 5 D) 2

Explanation:

Let the Number be Y.

Then  Y = 296 q + 75

= (37 x 8)q +( 37 x 2) + 1

= 37 (8q + 2) + 1

Thus, when the number is divided by 37, the remainder is 1

75 30616
Q:

Which of the following can be used to illustrate that not all prime numbers are odd?

 A) 1 B) 2 C) 3 D) 4

Explanation:

The only even numbers in the list are 2 and 4, but 4 is not a prime. So 2 can be used to illustrate the statement that all primes are not odd.

6 27484
Q:

The largest 4 digit number exactly divisible by 88 is ?

 A) 9944 B) 9768 C) 8888 D) 9988

Explanation:

The largest 4 digit number is = 9999
After dividing 9999 with 88, we get 55 as remainder
so largest 4 digit number divisible by 88 = 9999-55 = 9944.

52 24485
Q:

What smallest number should be added to 4456 so that the sum is completely divisible by 6 ?

 A) 4 B) 3 C) 2 D) 1

Explanation:

6)4456(742
42
--------
25
24
-------
16
12
-----
4
------
Required number = (6-4) = 2.