self Maths Puzzle

a number when divided by D leaves remainder of 3 and when divided by 3D leaves a reminder of 21.what is the remainder left,when twice the number is divided by 3D?

Read Solution (Total 1)

there iz a mistake in this question. the difference of the 2 remainders should be a prime num..since here this diff. is 18 which is not a prime num.So we can't determine exact answer.
12 years agoHelpfull: Yes(0) No(1)

self Other Question

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What is the sum which earned interest?

I.

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II.

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