book Maths Puzzle Numerical Ability

What are the divisibilty rules to the numbers 13,14,15,16,17,18,19 and 20?

Read Solution (Total 0)

book Other Question

Two hundred and ten people attended a school carnival. The total amount of money collected for tickets was $710. Prices were $5 for regular admission, $3 for students, and $1 for 2/3n-11=4+n