# Category Archives: Class 8

Question 1) 4x2 + 12xy + 9y2 Solution: (2x)2 + 2 × 2x × 3y + (3y)2 ⇒ (2x + 3y)2        … Read More
Question 1: Find the common factors of the given terms. (i) 12x, 36(ii) 2y, 22xy(iii) 14pq, 28p2q2(iv) 2x, 3x2, 4(v) 6abc, 24ab2, 12a2b(vi) 16x3, -4x2, 32x(vii)… Read More
Chapter 3 Squares and Square Roots – Exercise 3.4 | Set 1 Question 11. The area of a square field is 5184 m2. A rectangular… Read More
Question 1. Given a cylindrical tank, in which situation will you find the surface area and in which situation volume (a) To find how much… Read More
Question 1. A man got a 10% increase in his salary. If his new salary is 1,54,000, find his original salary. Solution: Let the initial… Read More
Question 1. Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times… Read More
Question 1. Given that the number 35a64 is divisible by 3, where a is a digit, what are the possible values of a? Solution: The… Read More
The basic operations that are being used in mathematics (especially in real number systems) are addition, subtraction, multiplication and so on. These operations can also… Read More
Question 1: For each of the given solid, the two views are given. Match for each solid the corresponding top and front views. The first… Read More
Question 1. Carry out the multiplication of the expressions in each of the following pairs. (i) 4p, q + r  Solution: (4p) * (q +… Read More
Question 1: Which of the following numbers are not perfect cubes? (i) 216 (ii) 128 (iii) 1000 (iv) 100 (v) 46656 Solution: (i) 216 Prime… Read More
Chapter 3 Squares and Square Roots – Exercise 3.2 | Set 1 Question 11. Which of the following numbers are squares of even numbers?121, 225,… Read More
Question 1. The following numbers are not perfect squares. Give reason. (i) 1547 Solution: Number ending with 7 is not perfect square (ii) 45743 Solution:… Read More
Question 1. The following are the car parking charges near a railway station up to.4 hours — ₹ 608 hours — ₹ 10012 hours —… Read More
Question 1. Solve for x: x – 2 = 7 Solution: x – 2 = 7 x=7+2  (Adding two on both sides of equation) x=9… Read More