exam Maths Puzzle Numerical Ability

Help! I really appreciate it! I've also included the work I've managed to do:

Problem:
(-1/5)^3 + {(-1/3)^2 + 1/12(1/6 -(-1/4)^3)}

Here's what I have so far:
-1/125 + {-1/9

Read Solution (Total 0)

exam Other Question

answer

Find 12% of 3600
How do I find the formula for the number of diagonals in a polygon with "n" sides?