book Maths Puzzle Numerical Ability

[(5n-4)+(3n-7n)]-1

Read Solution (Total 0)

book Other Question

5/x = 6/x - 1/3 Simplify the expression b(to the 3rd)(root)9a(to the 4th) where a,b=0.
--------------------------------
a(to the 3rd)b(to the 2n