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Number System

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

987
977
967
897

ANSWER DOWNLOAD EXAMIANS APP

Number System
93296 - 45874 + 20382 - 56817 = ?

109867
109887
109857
109877

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 113678 - 102691 = 109887

Number System
If 5/7 of a number is 145, what is 180% of that number ?

355.4
375.4
365.4
345.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4

Number System
A number exceeds by 25 from its 3/8 part. Then the number is?

32
39
35
40

ANSWER DOWNLOAD EXAMIANS APP

Number System
The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ?

5183
6782
8795
7745

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√4623 = 6767 x 69 = 4623∴ Required product = 71 x 73                               = 5183

Number System
3√103823 = ?

52
41
47
44

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√103823 = 3√47 x 47 x 47 = 47

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