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Number System

Number System
A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17?

10
9
5
11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

221 + 43 = 264/17 = 9 (Remainder)

Number System
Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999

495
480
490
485

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Required average score                    = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8                   = 3880 / 8                   = 485

Number System
Twenty times a positive integer is less than its square by 96. What is the integer?

Cannot be determined
20
30
24

ANSWER DOWNLOAD EXAMIANS APP

Number System
What should be the least number to be added to the 51234 number to make it divisible by 9?

5
3
6
4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The least number to be added to the numbers to make them divisible by 9 is equal to the difference of the least multiple of 9 greater than the sum of the digits and sum of the digits.Sum of digits = 15.Nearest multiple of 9 greater than sum of digits = 18.Hence 3 has to be added.

Number System
What is the difference between the local values of 3 in the number 53403?

3030
2997
3003
0

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3000 – 3 = 2997

Number System
3√103820 x 3√274620 = ?

3035
3065
3055
3045

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055

MORE MCQ ON Number System

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