1.If Rahul pays an interest of
`
1500 for 4 years on a
sum of
`
2500, find the rate of interest per annum(p.a.)
2.Gayatri’s income is ` 1,60,000 per year . She pays 15% of this as house rent and 10% of the remainder on her child’s education. The money left with her is
3.Convert into decimal i)27% ii)2.6% ii)0.9%
4.Convert into percentage
i)2/3 ii)0.45 iii)3/25
5.A bicycle is purchased for ` 1800 and is sold at a profit of 12%. Its selling price is 6.A cricket bat was purchased for ` 800 and was sold for ` 1600. Then profit earned is
7.If 90% of x is 315 km, then the value of x is
8. find 16/3% of 15 kg
9.In a class of 50 students, 8 % were absent on one day. The number of students present on that day was _
10.Find the value of x
if
(i) 8% of ` x is ` 100
(ii) 32% of x kg is 400 kg
(iii) 35% of ` x is `
280 (v) 45% of marks x is 405.
11.Radhika borrowed ` 12000 from her friends. Out of which ` 4000 were borrowed at 18% and the
remaining at 15% rate of interest per annum. What is the total interest after 3 years?
12.The strength of a school is 2000. If 40 % of the students are girls then how many boys are there in the school? 13.Chalk contains 10% calcium, 3% carbon and 12% oxygen. Find the amount of carbon and calcium (in grams) in 2.5 kg of chalk
14. if 800 kg of mortar consists of 55% sand, 33% cement and rest lime. What is the mass of lime in mortar?
15.The strength of a school is 2000. If 40 % of the students are girls then how many boys are there in the school?
16.By selling a chair for ` 1440, a shopkeeper loses 10%. At what price did he buy it?
17.The sum of rs 10,000 amounts to rs 14500 in 3 years, find the rate of interest
18.A certain sum amounts to rs 36000 in 4 years at the rate of 20%. find the principle
19.In a class if there are 24 boys and the percentage of girls is 60%. find total number of students in the class
20.The car that I own can go 150 km with 25 litres of petrol. How far can it go with 30 litres of petrol
21.If angles of a triangle are in the ratio 2 : 3 : 4. Find the value of each angle.
22.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?
23.If Meena gives an interest of Rs 45 for one year at 9% rate p.a.. What is the sum she has borrowed?
2.Gayatri’s income is ` 1,60,000 per year . She pays 15% of this as house rent and 10% of the remainder on her child’s education. The money left with her is
3.Convert into decimal i)27% ii)2.6% ii)0.9%
4.Convert into percentage
i)2/3 ii)0.45 iii)3/25
5.A bicycle is purchased for ` 1800 and is sold at a profit of 12%. Its selling price is 6.A cricket bat was purchased for ` 800 and was sold for ` 1600. Then profit earned is
7.If 90% of x is 315 km, then the value of x is
8. find 16/3% of 15 kg
9.In a class of 50 students, 8 % were absent on one day. The number of students present on that day was _
10.Find the value of x
if
(i) 8% of ` x is ` 100
(ii) 32% of x kg is 400 kg
(iii) 35% of ` x is `
280 (v) 45% of marks x is 405.
11.Radhika borrowed ` 12000 from her friends. Out of which ` 4000 were borrowed at 18% and the
remaining at 15% rate of interest per annum. What is the total interest after 3 years?
12.The strength of a school is 2000. If 40 % of the students are girls then how many boys are there in the school? 13.Chalk contains 10% calcium, 3% carbon and 12% oxygen. Find the amount of carbon and calcium (in grams) in 2.5 kg of chalk
14. if 800 kg of mortar consists of 55% sand, 33% cement and rest lime. What is the mass of lime in mortar?
15.The strength of a school is 2000. If 40 % of the students are girls then how many boys are there in the school?
16.By selling a chair for ` 1440, a shopkeeper loses 10%. At what price did he buy it?
17.The sum of rs 10,000 amounts to rs 14500 in 3 years, find the rate of interest
18.A certain sum amounts to rs 36000 in 4 years at the rate of 20%. find the principle
19.In a class if there are 24 boys and the percentage of girls is 60%. find total number of students in the class
20.The car that I own can go 150 km with 25 litres of petrol. How far can it go with 30 litres of petrol
21.If angles of a triangle are in the ratio 2 : 3 : 4. Find the value of each angle.
22.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?
23.If Meena gives an interest of Rs 45 for one year at 9% rate p.a.. What is the sum she has borrowed?
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