Q.6. Convert given per cent to decimal fraction and also to fraction in simplest forms:
(a) 25%
(b) 150%
(c) 20%
(d) 5%
Q.5. Find the whole quantity if
(a) 5% of it is 600.
(b) 12% of it is Rs 1080.
(c) 40% of it is 500 km.
(d) 70% of it is 14 minutes.
(e) 8% of it is 40 litres.
Q: 4
Find: (a) 15 of 250
(b) 1 of 1 hour
(c) 20 of Rs 2500
(d) 75 of 1 kg
Q.11. If Meena gives an interest of Rs 45 for one year at 9% rate p.a. What is the sum she has borrowed?
Q.10. What rate gives Rs 280 as interest on a sum of Rs 56,000 in 2 years?
Q.9. Find the amount to be paid at the end of 3 years in this case:
(b) Principal = Rs 7,500 at 5% p.a.
Q.9. Find the amount to be paid at the end of 3 years in this case:
(a) Principal = Rs 1,200 at 12% p.a.
Q.8. Amina buys a book for Rs 275 and sells it at a loss of 15%. How much does she sell it for?
Q.7.(ii) If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?
Q.7.(i) Chalk contains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage of carbon in chalk.
Q.6. Juhi sells a washing machine for Rs 13,500. She loses 20% in the bargain. What was the price at which she bought it?
Q.5. I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it?
Q.4. Arun bought a car for Rs 3,50,000. The next year, the price went upto Rs 3,70,000. What was the Percentage of price increase?
Q.3. The population of a city decreased from 25,000 to 24,500. Find the percentage decrease.
Q.2. Convert each part of the ratio to percentage:
(d) 1 : 2 : 5
Q.2. Convert each part of the ratio to percentage:
(c) 1:4
Q.2. Convert each part of the ratio to percentage:
(b) 2 : 3: 5
Q.2. Convert each part of the ratio to percentage:
(a) 3 : 1
Q.1. Tell what is the profit or loss in the following transaction. Also find profit per cent or loss per cent in each case.
(d) A skirt bought for Rs 250 and sold at Rs 150.
Q.1. Tell what is the profit or loss in the following transactions. Also find profit per cent or loss per cent in each case.
(c) A cupboard bought for Rs 2,500 and sold at Rs 3,000.