book Maths Puzzle Numerical Ability

if A is 3 yrs older than B and B is twice of the age of C..the total sum of ages are 30 then what is the age of B?

Read Solution (Total 0)

book Other Question

What is the total cost of a lunch if the check is for $11.65 and I want to leave a 15% tip?
How do you figure this type of problem out? 64^x=4

please help if you do not mind. thank you very much