Question

A boy spend 3/4 of his pocket money and then 4/5 of the remainder is given to his sister. If he has Rs 40left. What did he have first?​

Answer 1

Answer:

800

Step-by-step explanation:

3/4 and 4/5 so take lcm of 4,5=20

Let total money =20

Spend =20×3/4=15

Remaining =20-15=5

Sister =5×4/5=4

Left 5-4=1

Here

1=40(given)

Total

20×40=800

I hope u like the answer