A table is sold at 80% of its cost price. The profit or loss as percent is :

1. 20% loss

2. 20% profit

3. 25% loss

4. 25% profit

C.P. = ₹ 150 and loss = ₹ 50 ⇒ the S.P. is:

1. ₹ 200

2. ₹ 100

3. ₹ 225

4. ₹ 75

S.P. = ₹ 250 and profit = 25% ⇒ the C.P. is:

1. ₹ 225

2. ₹ 275

3. ₹ 200

4. ₹ none of these

C.P. = ₹ 400 and overheads = ₹ 100. If loss = 10%; the S.P. is :

1. ₹ 360

2. ₹ 440

3. ₹ 450

4. ₹ 550