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Number System

Number System
A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

24
42
84
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

Number System
What is the value of ? in the following equations ? 72/? = ?/50

40
60
100
80

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60

Number System
Complete the series : 1, 2, 3, 5, 8, 13 ....

7
9
4
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1

Number System
4.78% of 1255 + 3.24% of 440=0.5% of ?

14849
11849
12849
13849

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849

Number System
What is 432 times 119 ?

51408
53408
52408
50408

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. 432 x 119 = 51408

Number System
450% of a number is 4725. What is 82% of that number ?

851
871
841
861

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861

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