Number System Practice Test 4

Question : 35 of 40

Marks: +1, -0

If a number is decreased by 5, then the resultant number is a perfect square of 8. What would be the result if 6 is added to the the number and resultant number is divided by 12?

6
$5 5 / 12$
$6 1/4$
$5 11/12$
None of these

Validate

Solution:

Let the number be x

x - 5 = 8^2

x = 69

{69+6}/12=75/12= 6 1/4

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