book Maths Puzzle Numerical Ability

If A={x|x is an odd integer} and B={39, 41, 42, 44}, list the elements of A ⋂ B.

Read Solution (Total 0)

book Other Question

How many three-digit counting numbers are even? How many five-digit counting numbers contain at least one 6?

I had the answer of 400 = 10 x 10 x 4, but I was told that this was Write the function that has x intercepts
4, -2/5

Please help!