# Tag Archives: RD Sharma Class-8

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
Factorize each of the following quadratic polynomials by using the method of completing the square Question 1. p2 + 6p + 8 Solution: p2 +… Read More
Chapter 22 Mensuration III (Surface Area And Volume Of Right Circular Cylinder) – Exercise 22.1 | Set 1 Question 11: Find the cost of plastering… Read More
Question 1: Find the curved surface area and total surface area of a cylinder, the diameter of whose base is 7 cm and height is… Read More
Chapter 13 Profit Loss Discount And Value Added Tax – Exercise 13.3 | Set 1 Question 11. Rajat goes to a departmental store and buys… Read More
Question 1. The list price of a refrigerator is Rs.9700. If a value-added tax of 6% is to be charged on it, how much one… Read More
Question 1: Divide x2 – 5x + 6 by (x – 3) Solution: (x2 – 5x + 6)/(x-3) Factorise the numerator and then divide it… Read More
Question 1: Solve for factors of x2 + 12x – 45 Solution: Given: x2 + 12x – 45 To factorize the following expression we have… Read More
Chapter 3 Squares and Square Roots – Exercise 3.1 | Set 1 Question 9. Find the greatest number of two digits which is a perfect… Read More
Question 1. Which of the following numbers are perfect squares? (i) 484 Solution: Prime factorization of 484 is 484 = 2×2×11×11 By grouping prime factors… Read More
Question 1: Write each of the following as percent: Explanation: To convert into percent, we need to multiply 100 into the given value. Note: Don’t… Read More
Chapter 3 Squares and Square Roots – Exercise 3.7 | Set 1 Question 11) 9998.0001 Solution: Hence, the square root of 9998.0001 is 99.99. Question… Read More
Question 1: Find the cube roots of the following numbers by successive subtraction of numbers: 1, 7, 19, 37, 61, 91, 127, 169, 217, 271,… Read More
Chapter 21 Mensuration II (Volume and Surface Areas of a Cuboid and a Cube) – Exercise 21.1 | Set 1 Question 12: A cuboidal block… Read More
Find the square root of the following numbers in the decimal form : Question 1) 84.8241 Solution: Hence, the square root of 84.8241 is 9.21.… Read More