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Tag Archives: RD Sharma Class-8

Question 1. Find the square root of each of the following correct to three places of decimal. i) 5            … Read More
Chapter 14 Compound Interest – Exercise 14.3 | Set 1 Question 15. Find the rate percent per annum, if Rs. 2000 amount to Rs. 2315.25… Read More
Question 1. On what sum will the compound interest at 5% per annum for 2 years compounded annually be ₹164. Solution: We have, Rate =… Read More
Question 1. Ms. Cherian purchases a boat for Rs. 16000. If the total cost of the boat is depreciating at the rate of 5% per… Read More
Chapter 9 Linear Equation In One Variable – Exercise 9.2 | Set 1 Question 14. (1-2x)/7 – (2-3x)/8 = 3/2 + x/4 Solution: (1-2x)/7 –… Read More
Solve each of the following equations and also check your results in each case: Question 1. (2x + 5)/3 = 3x – 10 Solution: First… Read More
Chapter 11 Time And Work – Exercise 11.1 | Set 1 Question 15. A and B can do a piece of work in 6 days… Read More
Question 1. Rakesh can do a piece of work in 20 days. How much work can he do in 4 days? Solution: Given: Time taken… Read More
Chapter 10 Direct And Inverse Variations – Exercise 10.1 | Set 1 Question 11. A car is travelling at the average speed of 50 km/hr.… Read More
Question 1: Explain the concept of direct variation. Solution: If the values of two quantities depend on each other in such a way that if… Read More
Chapter 9 Linear Equation In One Variable – Exercise 9.3 | Set 1 Question 13. (7x – 2)/(5x – 1) = (7x + 3)/(5x +… Read More
Solve the following equations and verify your answer: Question 1. (2x-3)/(3x+2) = -2/3 Solution: Given: (2x-3) / (3x+2) = -2/3 After cross-multiplication we will get,… Read More
Chapter 14 Compound Interest – Exercise 14.2 | Set 1 Question 11. Rakesh lent out Rs. 10000 for 2 years at 20% per annum, compounded… Read More
Question 1. Compute the amount and the compound interest in each of the following by using the formulae when:(i) Principal = Rs 3000, Rate =… Read More

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