Question

= 2. Rohan spends half of his pocket money on So, money left = 2 & books, and from the second half he spends 3 - in buying pens and the rest in copies. If 4 x *120 8 = * 120 5 12 he spends ? 120 in buying copies, how much money did he have at the beginning? Solution: Let Rohan have in - 11 =₹960​

Answer 1

Solution

Find the fraction of his money given to his sister:

1−21−31=61

Findtheamountofpocketmoney:

61ofhispocketmoney=Rs5

66ofhispocketmoney=5∗6=Rs30

Findtheamounthespentonlunch:

21∗30=Rs15

Answer 2

Find the fraction of his money given to his sister:

1−21−31

1−21−31=61

Findtheamountofpocketmoney:

61ofhispocketmoney=Rs5

61ofhispocketmoney=Rs566ofhispocketmoney=5∗6=Rs30

21∗30=

$\small \bold \blue{ = rs \: = 15}$