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Number System

Number System
(1024—263—233)÷(986—764— 156) =?

8
None of these
10
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
By how much is 3/5th of 875 greater than 2/3 of 333?

362
199
233
303

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.

Number System
Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is:

27
36
18
30

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(3x-9):(5x-9) = 9:17 x = 12 => 3x = 36

Number System
If a number is subtracted from its square we get 272. Find the number?

24
14
17
22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 – x = 272 => x =17

Number System
Complete the series : 81, 69, 58, 48, 39 ........

30
28
29
31

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

31

Number System
Which one of the following numbers is exactly divisible by 11?

235641
415624
245642
315624

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.

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