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Number System

Number System
When 102 is reduced from a number, the number gets reduced by 88%. What is that number ?

650
750
550
850

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

850

Number System
Find the least number with which 16200 should be multiplied, to make it a perfect cube.

45
36
360
48

ANSWER DOWNLOAD EXAMIANS APP

Number System
7.98 x 3.75 + 1.28 x 15.5 = ?

47.765
46.765
48.765
49.765

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 29.925 + 19.84 = 49.765

Number System
What is the difference between the local values of 3 in the number 53403?

2997
3003
3030
0

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3000 – 3 = 2997

Number System
The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is?

3
7
5
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7

Number System
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?

6
3.5
8
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8

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