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Question
A number when divided by 105 leaves 99 as remainder . What will be the remainder if the number is divided by 21 ?
9
14
20
6
15
ANSWER : 5
Descrption
<p>We know, divident = quotient x divisor + remainder</p> <p>So, divident = quotient x 105 + 99</p> <p>Now, 105 is completely divisible by 21 yielding the quotient 5. So, we only need to divide the remainder 99 by 21 to see if any remainder remains.</p> <p>Now, 99 = 4 x 21 + <strong>15. </strong> So, 15 will be remained as a remainder if the number is divided by 21 instead of 105.</p>
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