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Number System

Number System
(1024—263—233)÷(986—764— 156) =?

None of these
10
6
8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
(444 x 44 x 4) ÷ 40 ?

2153.6
1953.6
1853.6
2053.6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 444 x 44 x 4/40 = 1953.6

Number System
If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ?

689
678
652
692

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652

Number System
What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4

37
35
29
33

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4

Number System
In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A?

1/25
2/5
Data inadequate
1/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5

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

80
83
77
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

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