self Maths Puzzle

A sum of Rs 350 made up of 110 coins which are either Rs 1 or Rs 5 denomination. How many coins are of Rs 5?

Read Solution (Total 3)

self Other Question

If (sin theta + cos theta)/(sin theta - cos theta)=7, then the value of tan theta is equal to :
(A) 4/3
(B) 5/3
x^y+y^x=136 thn the value of x and y????