# Category Archives: Class 8

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
Question 1: Construct the following quadrilaterals. (i) Quadrilateral LIFTLI = 4 cmIF = 3 cmTL = 2.5 cmLF = 4.5 cmIT = 4 cm Solution:… Read More
Question 1: Construct the following quadrilaterals. (i) Quadrilateral DEARDE = 4 cm EA = 5 cm AR = 4.5 cm∠E = 60°∠A = 90° Solution: Steps of… Read More
Question 1. Find x in the following figures.  Solution: As we know , the sum of the measures of the external angles of any polygon… Read More
Chapter 7 Factorization – Exercise 7.8 | Set 1 Question 11. 12x2 – 17xy + 6y2 Solution: Given: 12x2 – 17xy + 6y2 The coefficient of… Read More
Resolve each of the following quadratic trinomials into factors: Question 1. 2x2 + 5x + 3 Solution: Given: 2x2 + 5x + 3 The coefficient… Read More
Problem 1. A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining… Read More
Question 1. Divide x + 2x2 + 3x4 – x5 by 2x Solution: Here, (x + 2x2 + 3x4 – x5) / 2x x/2x +… Read More
Factorize the following: Question 1. 3x – 9 Solution: The highest common factor in the above two terms – 3 3x – 9 3(x –… Read More
Question 1. Given here are some figures: Classify each of them on the basis of the following. (a) Simple curve          … Read More
Question 1: Find the ratio of the following (a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per… Read More