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Number System

Number System
3√103823 = ?

41
44
47
52

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√103823 = 3√47 x 47 x 47 = 47

Number System
The product of two consecutive odd numbers is 6723. Find is the greater number.

77
80
83
85

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the first odd number be x.Then, the other odd number would be x + 2.∴ x(x+2) = 6723= x2 + 2x = 6723= x2 + 2x = 6723= x2 + 2x - 6723 = 0= x2 + 83 - 81 x - 6723 = 0= x(x+83) - 81 (x + 83) = 0= (x + 83) (x - 81) = 0= (x + 83) (x - 81) = 0= x - 81 = 0∴ x = 81Hence, greater number = x + 2 = 81 + 2 = 83

Number System
What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12

3
9
2
7

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

9

Number System
What should come in place of question mark (?)? 8 : 1 1 : : 72:

79
109
89
99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let ? = xTherefore 8 : 11 : 72 : xTherefore x = (11 x 72) / 8 = 99

Number System
Pick the wrong number from the given number series. 3,4,10,33,135,685,4116

685
33
10
135

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116

Number System
How many figures are required for numbering the pages of a book containing 1000 pages?

2883
2893
6489
3892

ANSWER DOWNLOAD EXAMIANS APP
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