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Number System

Number System
3√68921 = ?

41
31
21
51

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 3√68921= 3√41 x 41 x 41= 41

Number System
√9216 + √15376 = ?

224
220
227
231

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = √9216 + √15376= 96 + 124= 220

Number System
The simplest form of 1.5 : 2.5 is :

13 : 11
17 : 19
5 : 7
3 : 5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3 : 5

Number System
Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ?

525
625
325
425

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

625

Number System
If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ?

4/9
6/9
5/9
3/9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9

Number System
√207.36 = ?

15.7
12.3
16.7
14.4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√207.36 = √20736/√100 = 144/10 = 14.4

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