Question

13. By selling 60 articles a vendor makes a profit equal to the selling price of 15 articles. Find his gain perce
14. The total cost price of two watches is 840. One is sold at a profit of 16% and the other at a loss of 12%
is no loss or gain in the whole transaction. What is the cost price of the watch on which the shopkeeper
15. A shopkeeper gains 20% while buying the goods and 30% while selling them. Find his total gain perce
16. A dealer makes a profit of 20% even after giving a 10% discount on the advertised price of a scooter,
was the advertised price if he makes a profit of 7500 on the sale of the scooter?
17. A shopkeeper bought two TV sets at 10,000 each. He sold one at a profit of 10% and the other at al
10%. Find whether he made an overall profit or loss.
18. A shopkeeper was selling his items at 25% discount. During the off season, he offered 30% discount ove
above the existing discount. If Pragya bought a skirt which was marked *1200, then how much did she
(NCERT Exem
for it?
(NCU
"EREST
​

Answer 1

law of conservation. Conservation law, also called law of conservation, in physics, several principles that state that certain physical properties (i.e., measurable quantities) do not change in the course of time within an isolated physical system.