1)

Mary and Jane had a total of $850. after Jane spent 1/4 of her money and Mary spent 1/2 of her money, both had an equal amount of money left.

Find the amount of money Jane had at first. [Ans: $340]

2)

Ali had $270 more than Bala. Ali spent 4/5 of his money and Bala spent 3/4 of his money. In the end, Bala had twice as many money as what Ali left.

Find the amount of money Ali had at first. [Ans: $450]

Thanks in advance3)

Sam and Martin have some cookies each. If Sam gives Martin 32 cookies, both of them will have the same number of cookies. If Martin give Sam 18 cookies, the number of cookies Sam has to the number of cookies Martin has will be 6 : 1.

How many cookies do both boys have in all? [Ans: 140 cookies]