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Number System

Number System
1256+4813+765=?

6839
6836
6834
6831

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1256+4813+765= 6069+765=6834

Number System
One-eighth of a number is 76. What will be 54% of the number ?

332.32
318.32
321.32
328.32

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608                      = 608 x 54/100                      = 328.32

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

967
987
977
897

ANSWER DOWNLOAD EXAMIANS APP

Number System
4.78% of 1255 + 3.24% of 440=0.5% of ?

12849
13849
11849
14849

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849

Number System
Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24.

None of these
9974
9565
9125

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Since the difference between the divisors and the respective remainders is not constant, back substitution is the convenient method. None of the given numbers is satisfying the condition.

Number System
What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

4545
7878
3434
5656

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545

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