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Number System

Number System
√9216 + √15376 = ?

224
220
231
227

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √9216 + √15376= 96 + 124= 220

Number System
If the product of two successive positive integers is 4692, what is the smaller number ?

68
70
66
64

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

∵ 68 x 69 = 4692

Number System
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:

11
10
12
13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.

Number System
What should be the least number to be added to the 51234 number to make it divisible by 9?

4
6
3
5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The least number to be added to the numbers to make them divisible by 9 is equal to the difference of the least multiple of 9 greater than the sum of the digits and sum of the digits.Sum of digits = 15.Nearest multiple of 9 greater than sum of digits = 18.Hence 3 has to be added.

Number System
35 + 15 * 1.5 = ?

5.25
51.5
75
57.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5

Number System
124, 235, 447, 760, 1174, ?

1389
1489
1689
1589

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

+111, +212, +313, +414

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