Others Maths Puzzle

Q2. A fair dice is thrown 6 times .
In how many different ways can we get sum of i) 31 ii) 30 ??

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Others Other Question

Q1. How many number having atmost 6-digits and sum of the digits atmost 6 are possible ?? how to find the sum of series whose difference is in AP?
eg. 1, 3, 6, 10, 15, 21.....