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Number System

Number System
Four-fifth of a number is 10 more than two-third of the same number. What is the number?

89
91
75
35

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75

Number System
In each of the following numbers, what should be the missing digit in the indicated place such that the number is a multiple of 11?

2
5
3
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Divisibility of 11: If the difference of the sum of the digits at odd places and the sum of the digits at even places of a number is zero or a multiple of 11, then that number is divisible by 11.As per divisibility rule of 11, difference = (x + 21) - 18 = x + 3=> x + 3 = 11 => x = 8

Number System
A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13?

5
7
11
0

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

39 + 20 = 59/13 = 7 (Remainder)

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

36
360
45
48

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Number System
93296 - 45874 + 20382 - 56817 = ?

109887
109867
109877
109857

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 113678 - 102691 = 109887

Number System
A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent?

6
10
8
9

ANSWER DOWNLOAD EXAMIANS APP
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