Question

A man had a certain sum of money. He gave 20% of it to his eldest son, 30% of the remaining to his younger son and 10% of the remaining for poor boy of a school. Still he has ₹100 and80 paise with him. Find his total sum.​

Answer 1

Answer:Let the total sum be Rs. 100

He gave 20% to his eldest son.

Eldest son received = Rs.20

Remaining Rs.80

He gave 30% of Rs.60 to his youngest son

Youngest son received = Rs. 80×30100=Rs.24

Remaining balance Rs.=100 - 44 = Rs.56

He gave 10% of 56 to poor boys.

Poor boys received = 56×10100=Rs.5.60

Total amount he disbursed Rs.= 20+24+5.60 = 49.60

Amount in hand = Rs.100 - 49.60 = Rs.50.40

If the amount at hand is Rs 50.40, the total amount is Rs.100.

If the amount at hand is Rs.100.80, the total amount is

= 100×100.8050.40=Rs.100×2=Rs.200

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Step-by-step explanation: