Aisha saves 2 Dhs on first week of the month of June, 4Dhs on second week of the month, 8 Dhs on third week of the month and so on. What will be her saving at the end of second week of July?

64 dhs on the second week of july.

step by step
it doubles itself every week so you just start from the third week and double the number you get after every well which eventually gets you to 64 Dhs on the second week of july