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Number System

Number System
(4300731) - ? = 2535618

1775123
1865113
1675123
1765113

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113

Number System
If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ?

99
103
95
92

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801  Therefore, x = 99

Number System
If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ?

3/4
7/5
1/9
2/7

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5

Number System
Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers?

170
160
150
140

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.

Number System
35%of ?=242

693
487
542
394

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

693

Number System
When 102 is reduced from a number, the number gets reduced by 88%. What is that number ?

850
550
650
750

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

850

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