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Number System

Number System
If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is:

15
20
18
30

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20

Number System
3√68921 = ?

51
31
21
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√68921= 3√41 x 41 x 41= 41

Number System
96% of a number is 19584. What is 56% of that number ?

11524
11424
11224
11324

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424

Number System
Find the greatest number which leaves the same remainder when it divides 25, 57 and 105.

18
12
8
16

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.

Number System
4/6 of 6/5 of 5/7 of a number is 96. Find the number.

162
168
164
170

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168

Number System
1256+4813+765=?

6839
6834
6836
6831

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1256+4813+765= 6069+765=6834

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