exam Maths Puzzle Numerical Ability

What is the maximum product of two numbers having a sum of 36?

Read Solution (Total 0)

exam Other Question

For the sequence 1, -2, 3, -4, 5, -6, 7, ........ what is the difference between the mean of the sequence's first 400 terms and the mean of the first 200 terms? Please help.
Factor the trinomial.
16x^2 + 40xy + 25y^2