book Maths Puzzle Numerical Ability

Find the nth number in the sequence 1, 5, 13, 25, 41

Read Solution (Total 2)

book Other Question

find four consecutive odd integers who sum is four and the equation Please help me with this problem on page 402...Thank you very much.

1/5x+3/5y=12/5

-1/5x+3/5y=6/5