exam Maths Puzzle Numerical Ability

Solve the porportion



14.d/6 = 65/26

Any help with this equation would be Greatly</b> appreciated.

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exam Other Question

Hello, I need help solving the following problem:

(25x^2y^3-8xy^2+15x3y)/(10x^2y^3)

Thank you very much.
m varies jointly with the square of n and the square root of q.
m = k*n^2*sqrtq
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If m = 24 when n =2 and q =4,
find m when n = 5 and q = 9


If m = 24 when n =2 and q =4, find m when n = 5 and q = 9