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Number System

Number System
√207.36 = ?

16.7
12.3
14.4
15.7

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√207.36 = √20736/√100 = 144/10 = 14.4

Number System
Two third of three- fifth of one fourth of a number is 24, what is 30% of that number?

69
42
90
72

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72

Number System
Which is the largest fraction among the following ?

24/25
21/23
12/13
21/22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96

Number System
(12.11)2 + (?)2 = 732.2921

24.2
17.2
14.2
20.2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

24.2

Number System
√2304 x √? = 2832

3381
3481
3681
3581

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481

Number System
The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ?

225
295
245
275

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225

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