Write each of the following as percentage.(i)7/25
(ii)14/625
(iii)5/8
(iv)0.8
(v)0.005
(vi)3:25
(vii)11: 80
(viii)111: 125
(ix)13: 75
(x)15: 16
(xi)0.18
(xii)7/125
Convert the following percentages to fractions and ratios.
(i)25%
(ii)2.5%
(iii)0.25%
(iv)0.3%
(v)125%
Express the following as decimal fractions.
(i) 27%
(ii) 6.3%
(iii) 32%
(iv) 0.25%
(v) 7.5%
(vi) 1/8%
Find:
(i)22% of 120
(ii)25% of Rs 1000
(iii)25% of 10 kg
(iv)16.5% of 5000 metre
(v)135% of 80 cm
(vi)2.5% of 10000 ml
Find the number a, if
(i)8.4% of a is 42
(ii)0.5 of a is 3
(iii)½ of a is 50
(iv)100% of a is 100
x is 5% of y, y is 24% of z. If x = 480, find the values of y and z.
A coolie deposits Rs 150 per month in his post office Savings Bank account. If thisis 15% of his monthly income, find his monthly income.
Asha got 86.875% marks in the annual examination. If she got 695 marks, findthe total number of marks of the examination.
Deepti went to school for 216 days in a full year. If her attendance is 90%, findthe number of days on which the school was opened.
A garden has 2000 trees. 12% of these are mango trees 18% lemon and the restare orange trees. Find the number of orange trees.
Balanced diet should contain 12% of proteins, 25% of fats and 63% ofcarbohydrates. If a child needs 2600 calories in this food daily, find in calories theamount of each of these in his daily food intake.
A cricketer scored a total of 62 runs in 96 balls. He hit 3 sixes, 8 fours, 2 two’s and8 singles. What percentage of the total runs came in
(i)Sixes
(ii)4’s
(iii)2’s
(iv)Singles
A cricketer hit 120 runs in 150 balls during a test match. 20% of the runs came
in 6’s, 30% in 4’s, 25% in 2’s and the rest in 1’s. How many runs did he score in
(i)6’s
(iv)singles
What % of his shots were scoring ones?
Radha earns 22% of her investment. If she earns Rs 187, then how much did sheinvest?
Rohit deposits 12% of his income in a bank. He deposited Rs 1440 in the bankduring 1997. What was his total income for the year 1997?
Gunpowder contains 75% nitre and 10% sulphur. Find the amount of thegunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3kg sulphur?
An alloy of tin and copper consists of 15 parts of tin and 105 parts of copper.Find the percentage of copper in the alloy
An alloy contains 32% copper, 40% nickel and rest zinc. Find the mass of thezinc in 1 kg of the alloy.
A motorist travelled 122 kilometers before his first stop. If he had 10%of hisjourney to complete at this point, how long was the total ride?
A certain school has 300 students, 142 of whom are boys. It has 30 teachers, 12 ofwhom are men. What percent of the total number of students and teachers in theschool is female?
Aman’s income is 20% less than that of Anil. How much percent is Anil’sincome more than Aman’s income?
The value of a machine depreciates every year by 5%. If the present value of themachine be Rs 100000, what will be its value after 2 years?
The population of a town increases by 10% annually. If the present population is60000, what will be its population after 2 years?
The population of a town increases by 10% annually. If the present population is22000, find its population a year ago.
Ankit was given an increment of 10% on his salary. His new salary is Rs 3575.What was his salary before increment?
In the new budget, the price of petrol rose by 10%. By how much percent mustone reduce the consumption so that the expenditure does not increase?
Mohan’s income is Rs 15500 per month. He saves 11% of his income. If hisincome increases by 10%, then he reduces his saving by 1%, how much does he savenow?
Shikha’s income is 60% more than that of Shalu. What percent is Shalu’sincome less than Shikha’s?
Rs 3500 is to be shared among three people so that the first person gets 50% ofthe second, who in turn gets 50% of the third. How much will each of them get?
After a 20% hike, the cost of Chinese Vase is Rs 2000. What was the originalprice of the object?
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