RD Sharma Solutions for Class 8 Math Chapter 12 Percentage are provided here with simple step-by-step explanations. These solutions for Percentage are extremely popular among class 8 students for Math Percentage Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the RD Sharma Book of class 8 Math Chapter 12 are provided here for you for free. You will also love the ad-free experience on Meritnation’s RD Sharma Solutions. All RD Sharma Solutions for class 8 Math are prepared by experts and are 100% accurate.

#### Question 8:

Balanced diet should contain 12% of proteins, 25% of fats and 63% of carbohydrates. If a child needs 2600 calories in this food daily, find in calories the amount of each of these in his daily food intake.

#### Question 9:

A cricketer scored a total of 62 runs in 96 balls. He hit 3 sixes, 8 fours, 2 twos and 8 singles. What percentage of the total runs came in
(i) Sixes
(ii) fours
(iii) twos
(iv) singles

#### Question 10:

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
(ii) 4's
(iii) 2's
(iv) singles
What % of his shots were scoring ones?

#### Question 11:

Radha earns 22% of her investment. If she earns Rs 187, then how much did she invest?

#### Question 12:

Rohit deposits 12% of his income in a bank. He deposited Rs 1440 in the bank during 1997. What was his total income for the year 1997?

#### Question 13:

Gunpowder contains 75% nitre and 10% sulphur. Find the amount of the gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulphur?

#### Question 14:

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?

#### Question 15:

An alloy contains 32% copper, 40% nickel and rest zinc. Find the mass of the zinc in 1 kg of the alloy.

#### Question 16:

A motorist travelled 122 kilometres before his first stop. If he had 10% of his journey to complete at this point, how long was the total ride?

#### Question 17:

A certain school has 300 students, 142 of whom are boys. It has 30 teachers, 12 of whom are men. What percent of the total number of students and teachers in the school is female?

#### Question 18:

Aman's income is 20% less than that of Anil. How much percent is Anil's income more than Aman's income?

#### Question 19:

The value of a machine depreciates every year by 5%. If the present value of the machine be Rs 100000, what will be its value after 2 years?

#### Question 20:

The population of a town increases by 10% annually. If the present population is 60000, what will be its  population after 2 years?

#### Question 21:

The population of a town increases by 10% annually. If the present population is 22000, find its population a year ago.

#### Question 22:

Ankit was given an increment of 10% on his salary. His new salary is Rs 3575. What was his salary before increment?

#### Question 23:

In the new budget, the price of petrol rose by 10%. By how much percent must one reduce the consumption so that the expenditure does not increase?

#### Question 24:

Mohan's income is Rs 15500 per month. He saves 11% of his income. If his income increases by 10%, then he reduces his saving by 1%, how much does he save now?

#### Question 25:

Shikha's income is 60% more than that of Shalu. What percent is Shalu's income less than Shikha's?

#### Question 26:

Rs 3500 is to be shared among three people so that the first person gets 50% of the second, who in turn gets 50% of the third. How much will each of them get?

#### Question 27:

After a 20% hike, the cost of Chinese Vase is Rs 2000. What was the original price of the object?

#### Question 1:

Write each of the following as percent:
(i) $\frac{7}{25}$
(ii) $\frac{14}{625}$
(iii) $\frac{5}{8}$
(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) $\frac{7}{125}$

#### Question 2:

Convert the following percentages to fractions and ratios:
(i) 25%
(ii) 2.5%
(iii) 0.25%
(iv) 0.3%
(v) 125%

#### Question 3:

Express the following as decimal fractions:
(i) 27%
(ii) 6.3%
(iii) 32%
(iv) 0.25%
(v) 7.5%
(vi) $\frac{1}{8}%$

#### Question 1:

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

#### Question 2:

Find the number a, if
(i) 8.4% of a is 42
(ii) 0.5% of a  is 3
(iii) $\frac{1}{2}%$ of a is 50
(iv) 100% of a is 100

#### Question 3:

x is 5% of y, y is 24% of z. If x = 480, find the values of y and z.

#### Question 4:

A coolie deposits Rs 150 per month in his post office Savings Bank account. If this is 15% of his monthly income, find his monthly income.

#### Question 5:

Asha got 86.875% marks in the annual examination. If she got 695 marks, find the total number of marks of the examination.

#### Question 6:

Deepti went to school for 216 days in a full year. If her attendance is 90%, find the number of days on which the school was opened.