# Category Archives: Class 8

Solve each of the following Cryptarithms: Question 1.     3       7+ A      B      9       A… Read More
Chapter 14 Compound Interest – Exercise 14.4 | Set 1 Question 11. 6400 workers were employed to construct a river bridge in four years. At… Read More
Question 1. The present population of a town is 28000. If it increases at the rate of 5% per annum, what will be its population… Read More
Chapter 6 Algebraic Expressions And Identities – Exercise 6.5 | Set 1 Find the following products and verify the result for x = -1 and y… Read More
Multiply the following: Question 1. (5x + 3) by (7x + 2) Solution: To find the product  of (5x + 3) (7x+2)    [use distributive… Read More
Chapter 6 Algebraic Expressions And Identities – Exercise 6.4 | Set 1 Question 11. Find the product of 1.5x (10x2y – 100xy2) Solution: Using Distributive law,… Read More
Question 1. Find the product 2a3(3a + 5b) Solution: Using Distributive law, 2a3 (3a + 5b) = 2a3 × 3a + 2a3 × 5b =… Read More
We use numbers in our day-to-day life. We buy everything with money and measure its quantity with the help of Numbers only. Therefore Numbers play… Read More
Question 1. Divide 6x3y2z2 by 3x2yz Solution: We can write 6x3y2z2 as 2 * 3 * x * x * x * y * y… Read More
Question 1. If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8 what is the number? Solution: Let the… Read More
Question 1. Identify the terms, their coefficients for each of the following expressions. Need to be Known: Expression: An Expression is the addition of terms.… Read More
Question 11. How many bricks each of size 25 cm x 10 cm x 8 cm will be required to build a wall 5 m… Read More
Question 1. Find the volume in cubic meters (cu.m) of each of the cuboids whose dimensions are :(i) length = 12 m, breadth = 10… Read More
Chapter 13 Profit Loss Discount And Value Added Tax – Exercise 13.2 | Set 1 Question 14: A shopkeeper marks his goods in such a… Read More
Question 1: Find the S.P. if M.P. = Rs 1300 and Discount = 10% Solution: Using Formula S.P = (M.P * (100 – Discount%))/100 Hence,… Read More