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Number System

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1120
1180
1140
1160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

Number System
What is the value of 8/11 of 5/7 of 96% of 28875 ?

13800
15400
14400
12900

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number = 8 x 5 x 96 x 28875/11 x 7 x 100              = 14400

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

10
135
33
685

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

80
85
83
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
Sum of the digits number is 8 and their product is 12. Find the difference between the digits?

None
2
6
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4

Number System
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is:

9865
5336
2568
6890

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

5336

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