Скачать или смотреть RD Sharma Class 8 Maths | Exercise 12.2 Question 12 to 15 Solution | Chapter 12 Comparing Quantities

RD Sharma Class 8 Maths | Exercise 12.2 Question 12 to 15 Solution | Chapter 12 Comparing Quantities

In this video, I have explained question 12 to 15 of exercise 12.2 of Chapter 12 Comparing Quantities from Class 8 Maths RD Sharma Textbook.

EXERCISE 12.2
Question 12: Rohit deposits 12% of his income in a bank. He deposited 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.



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Textbook credits/Source: RD Sharma

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