book Maths Puzzle Numerical Ability

Solve for x: 6^x = 492.

Read Solution (Total 0)

book Other Question

If single-cycle oil can only be bought in 4 ounce bottles, and gas can only be purchased in 5-gallon cans, how many containers of oil and gas must be mixed to get a 5.9% mix of oil Find a6 for an=8(1/2)^n, n=1,2,3,4,... I have no idea how to do this problem. Please help me.