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Number System

Number System
106 * 106 - 94 * 94 = ?

1906
2000
2400
1904

ANSWER DOWNLOAD EXAMIANS APP

Number System
What is the difference between the largest and the smallest number written with 7, 7, 0, 7?

6893
6093
693
6993

ANSWER DOWNLOAD EXAMIANS APP

Number System
If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer?

None of these
2725
2675
2875

ANSWER DOWNLOAD EXAMIANS APP

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

80
83
85
77

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
6.4 x 8.5 x 25/3.2 x 12.5 = ?

2.3
5.6
3.4
4.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4

Number System
If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers.

125
50
30
25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.

MORE MCQ ON Number System

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