exam Maths Puzzle Numerical Ability

one number is four times another number. The larger number is also 87 more than the smaller number. find the numbers. choices for smaller number: 29, 30, 33

Read Solution (Total 0)

exam Other Question

I am trying to solve problem 10 on page 419. I do not understand how to find the base, when the area is already given in a triangle "Your grades are 76, 90, 85 and 87. If the next grade received counts twice, what grade do you need to maintain an average of 84 in the class?"