Category Archives: School Learning

Question 1. Find the circumference and area of a circle of radius of 4.2 cm.  Solution: Radius = 4.2 cm Circumference of a circle = 2πr… 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
In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of… 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. A survey was conducted by a group of students as a part of their environment awareness program, in which they collected the following… Read More
Question 1. Find the following products? i. (3x + 2y) (9x2 – 6xy + 4y2) Solution: We know that  a3 + b3 = (a +… 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
Question 1. Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces: (i) {2, 3, 4} . . . {1,… Read More
Question 1. Find the union of each of the following pairs of sets: (i) X = {1, 3, 5} Y = {1, 2, 3} (ii)… 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: Find the maximum and minimum values of each of the following trigonometrical expressions: (i) 12 sin x – 5 cos x (ii) 12… Read More