A number when divided by D leaves a remainder of 8 and when
divided by 3D leaves a remainder of 21 . What is the
remainder left, when twice the number is divided by 3D?
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Answer / rajacs41
The number is 60.
if we divide with d=13 the remainder is 8.
if we divide with 3*13=39 the remainder is 21.
twice the number 2*60=120 which will be divided by 3*13=39.
so the remainder is 3.
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