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Number System

Number System
3√103823 = ?

52
41
47
44

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√103823 = 3√47 x 47 x 47 = 47

Number System
A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder?

33
35
36
34

ANSWER DOWNLOAD EXAMIANS APP

Number System
Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number

5
7.5
4
15

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5

Number System
576÷ ? x114=8208

8
11
9
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

370
145
253
352

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the middle digit be x. Then, 2x = 10 or x = 5.So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit. Hence, required number = 253.

Number System
(2560 x 1.4) +(7400 x 0.6) =?

9160
7234
8024
6543

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8024

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