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Number System

Number System
3251 + 587 + 369 - ? = 3007

1200
1300
1250
1375

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200

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

24
21
84
42

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2/3 x = 28 => x = 4242 * 1/2 = 21

Number System
(95.6x 910.3) ÷ 92.56256 = 9?

14.44
12.24
15.54
13.34

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

13.34

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

245642
235641
315624
415624

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.

Number System
How many figures are required to number the pages the pages of a book containing 365 pages?

977
897
987
967

ANSWER DOWNLOAD EXAMIANS APP

Number System
In how many different ways can the letters of word "COLLEGE" be arranged ?

1280
1260
1300
1240

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Number of ways = 7!/2!2! = 1260(∵ L and E come twice)

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