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Number System

Number System
√2304 x √? = 2832

3681
3481
3581
3381

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Number System
A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15?

9
11
13
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

45 + 31 = 76/15 = 1 (Remainder)

Number System
The number of prime factors of (6)10×(7)17×(55)27

41
101
61
91

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

91

Number System
84 * 29 + 365 = ?

2436
2801
- 2801
- 2071

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

- 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071

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

84
42
21
24

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

Number System
When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ?

44
45
47
46

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46

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