Question

1. Convert the following ratios into percentage
a) 37:100 b) 16:25 c) 3:5 d) 5 :4 e) 14:25 f) 8:5
2. Find : a) 9% of 700 b) 8% of 5 litres c) 25% of Rs.76 d) 7.5% of 600m
3. What percentage is a) 25 paise of Rs.4 b) 8 hours of 2days c) 160 m of 4km ?
4. What percent of 84 is 14 ?
5. If 3% of x is 9, find value of x.
6. A basket contains 350 eggs. If 12% of the eggs are rotten, how many are good enough to be
sold?
7. In an examination, 96% of candidates passed and 50 failed. How many candidates appeared
for the exam?
8. If 15% of workers in a factory are females, and the number of male workers is 272, find the
total number of workers in the factory.
9. The monthly salary of a person is Rs.15625. If he gets an increase of 12%, find his new
salary.
10. The population of a town increases 8% annually. If the present population is 142560,
what was it an year ago?
11. The price of an article is increased by 8%. If its increased price is Rs.1566 find the original
price.
12. If 35% of a number, added to 39 is the number itself, find the number.
13. An article bought for Rs.400 is sold for Rs.336, find the loss percent.
14. On selling a chair for Rs.1440, a profit of 20% is made. Find the cost price of the chair.
15. Sudhish bought a cupboard for Rs. 13600 and spent Rs.400 on its transportation. He sold it
for Rs.16800. Find the gain percent.
16. Bansi loses 12% on selling an article for Rs.9240. What price should he have sold the
article to gain 12%?(first find CP, then find required SP)
17. A man sold two radios at Rs.4800 each. On one he gains 20%, and on other he loses
20 %. Find his profit or loss percent on the whole transaction?
18. Pankaj sells two cycles for Rs 2376 each. On one hegains 10% and on other he loses 10%.
Find his net gain or loss.
19. Bananas bought at Rs.10 per dozen is sold at Re 1 each. Find the gain or loss percent.

Answer 1

Answer:

1.a 37 %

Step-by-step explanation:

1. a. we can write 37:100 as 37/100

to convert it into percentage , multiply it with

100

37/100 ×100 = 37 percent

concept of percentage and ratio ..

write ratio in form of x/y and then multiply it with 100.

Answer 2

1a=37%,1b=64%,1c=60%,1d=125%,1e=56%,1f=160%