self Maths Puzzle

Paul is twice as old as Peter when peter was as old as paul is now. So what is the present age of Paul now if sum of there ages is 35years?

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self Other Question

A box contains 6 white balls and 7 black balls. Two balls are drawn random. What is the probability that both are the same colour?
option
A) 5/13
B) 6/13
C) 7/13
D) 6/7
what fraction of the total number of guest opted for full board on the five day package?