How to purchase 20 animals in 20 Rs?

Question

I have Rs.20, I want to purchase 20 animals in Rs.20. Can you help me?

Animals are as follows
1. Monkey-50 paise
2. Donkey-25 paise
3. Goat-4 rupees.

Answer 1

There are multiple possibilities like -
1) 2 Goat (8 Rs) + 14 Monkey (7 Rs) + 20 Donkey (5 Rs)
2) 4 Goat (16 Rs) + 16 Donkey (4 Rs)
3) 3 Goat (12 Rs) + 15 Monkey (7.50 Rs) + 2 Donkey (.50 Rs)