Finding the Profit or Loss Percentage

Q.

A shopkeeper expects a gain of $22.5\%$‘ on his Cost price. If in a week, his sale was of’$₹392$, what was his profit?

Q.

A dishonest shopkeeper professes to sell pulses at his cost price but uses a false weight of $950\mathrm{grams}$ for kilogram. Thus his gain percent Is ?

Q. The CP of 25 articles is equal to the SP of 20 articles. Then total gain $\%$ is

1. 20%
2. 30%
3. 50%
4. 25%

Q. The CP of 25 articles is equal to the SP of 20 articles. Then total gain $\%$ is

1. 20%
2. 30%
3. 50%
4. 25%

Q. If SP of 8 pecils is equal to the CP of 9 pencils Then find gain % (or) loss %__

1. $8\frac{1}{2}$ % gain
2. $12\frac{1}{2}$% gain
3. $12\frac{1}{2}$%loss
4. $8\frac{1}{2}$% loss

Q. A shopkeeper bought a steam iron for $Rs550$ and priced it at a $20\%$ profit on the cost price. After some time, he decided to give his customers a discount. What was the maximum per cent of discount he could offer in order not to make a loss ? Give your answer to the nearest whole number.

1. $20\%$
2. $24\%$
3. $17\%$
4. $83\%$