Class 8 Maths Ch-7 Comparing Quantities PDF

Class 8 Maths Ch-7 Comparing Quantities Question 1: Find the rate of discount given on a shirt whose selling price is ₹1092 after deducting a discount of ₹208 on its marked price. Question 2: A scooter was bought at the...

Class 8 Maths Ch-7 Comparing Quantities Question 1: Find the rate of discount given on a shirt whose selling price is ₹1092 after deducting a discount of ₹208 on its marked price. Question 2: A scooter was bought at the cost of ₹ 42,000. Its value drops down to the rate of 8% per annum. Find its value after one year. Question 3: A particular football team won 10 matches out of all the total number of matches they played. If their winning percentage was 40 %, how many matches did they play? Question 4:In a particular school, there are 456 girls. Compute the total number of students if 24% of the total students are boys. Question 5: I borrowed an amount ₹ 12000 from Jamshed at a rate of 6% per annum simple interest for 2 years. Had I borrowed this sum at a rate of 6% per annum compound interest, what is the extra amount I would have to pay? Question 6: Find the cost price when: SP = ₹34.40 and Gain = 7 ½ % Question 7:₹ 62500 for 1½ years at 8% per annum compounded half yearly. Question 8:In a certain laboratory, the bacteria count in a particular experiment increased at 2.5% per hour. Find the bacteria at the end of exactly 2 hours if the count was initially 5,06,000. Question 9:A person shops and spends 75% of his money. If he is now left with Rs. 600, find out how much he had in the beginning. Question 10:A student scored 150 out of 200 in the subject maths and got 120 marks out of 180 in the subject science. In which subject did the student perform better? Question 11: The population of a particular place increased to 54000 in 2003 at 5% per annum (i) find the population of the place in the year 2001 (ii) what would be the population of the place in the year 2005? Question 12:Compute the amount and compound interest on the principal amount ₹ 10,800 for 3 years at 12½ % per annum compounded annually. Question 13:Evaluate the ratio of 5 m to 20 km. Question 14: The marked price of a particular water cooler is ₹4650. The shopkeeper proposes an off-season discount of 18% on it. Find its selling price. Question 15: Arun bought a new pair of skates at a sale where the Discount is given 20%. If the amount Arun pays is ₹ 1,600, find out the marked price. Question 16: How much did she have in the beginning if Chameli had ₹600 left after spending 75% of her money? Question 17:Express 25% and 12% as decimals. Question 18: A man got a 10% increase in his salary. If his new salary amounted to ₹1,54,000, what was his original salary? Question 19: A particular cell phone was marked at 40% above the cost price, and a discount of 30% was given on its marked price. Find out the gain or loss percent made by the shopkeeper. Question 20: Express 45% and 78% as a fraction. Question 21: Obtain the amount Ram will get on ₹ 4,096, and he gave it for 18 months at 12½ per annum, interest being compounded half-yearly. Question 22: A bookseller sells a book for ₹100, gaining ₹20. His gain percentage is 1. a) 20% 2. b) 25% 3. c) 22% 4. d) None of these Question 23: Find out the amount and the compound interest on ₹ 10,000 for 1½ years at the rate of 10% per annum, compounded half yearly. Could this interest be more than the interest he would get if it were compounded annually? Question 24: Maria invested ₹ 8,000 in a particular business. She would eventually be paid interest at 5% per annum compounded annually. Find out (i) The amount credited against her name, particular at the end of the second year (ii) The interest for the third year Question 25:Fabina borrows ₹ 12,500 at the rate of 12% per annum for 3 years at simple interest, and Radha borrows the same amount for the same period at 10% per annum, compounded annually. Who pays more interest, Fabina and Radha and by how much? Question 26:Kamala borrowed ₹ 26400 from a particular Bank to buy a scooter at a rate of 15% per annum compounded yearly. What amount will she pay at the end of 2 years and 4 months to pay off the loan? Question 27: Oranges are purchased at 5 for ₹10 and sold at 6 for ₹15. His gain percentage is 5. a) 50% 6. b) 40% 7. c) 30% 8. d) 25%