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Number System

Number System
What is 432 times 119 ?

52408
53408
51408
50408

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. 432 x 119 = 51408

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?

Data inadequate
1/25
1/5
2/5

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

689
692
652
678

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is:

28
160
12
180

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.

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

345.4
355.4
365.4
375.4

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
One-eighth of a number is 76. What will be 54% of the number ?

318.32
321.32
332.32
328.32

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608                      = 608 x 54/100                      = 328.32

MORE MCQ ON Number System

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