Answer:
Amir spends Rs. 50,000 * 20% = Rs. <<5000020.01=10000>>10,000 on expenses.
The remaining amount, Rs. 50,000 - Rs. 10,000 = Rs. <<50000-10000=40000>>40,000 is deposited in the bank.
Therefore, Amir's expenditure amount is Rs. 10,000 and the amount deposited in the bank is Rs. 40,000.