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Number System

Number System
What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345?

2435
2105
2345
5243

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2000 + 300 + 40 + 5 = 2345

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

550
850
650
750

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

850

Number System
Find the smallest number which should be multiplied with 520 to make it a perfect square.

55
120
30
None of these

ANSWER DOWNLOAD EXAMIANS APP

Number System
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?

169
170
171
168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

168

Number System
If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ?

8/5
3/5
7/5
1/5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175        = 8/5

Number System
Find the least number with which 16200 should be multiplied, to make it a perfect cube.

36
48
45
360

ANSWER DOWNLOAD EXAMIANS APP
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