book Maths Puzzle Numerical Ability

Al is 4 years younger than Ed.
Let x = Ed's age.

Then___________ = Al's age.

Question 2
The Lions played 76 ball games.
They won 3 times as many games as they lost.
How m

Read Solution (Total 0)

book Other Question

If p+r = 2q and 1/q + 1/s = 2r ; then prove that p:q = r:s Please help me on this question. In 1990, the population of Alabama was 4,040,587. In 2000, the population was 4,447,100. Find the percent of change from 1990 to 2000. i know the answer is 10.1% I just dont know how to work it. please help. thank you.