NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.3 NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.3 Ex 12.3 Class 7 Maths Question 1. If m = 2, find the value of: (i) m – 2 (ii) 3m – 5 (iii) 9 – 5m (iv) 3m2 – 2m…
Read more
NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.2 NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.2 Ex 12.2 Class 7 Maths Question 1. Simplify combining like terms: (i) 21b -32 + 7b- 206 (ii) -z2 + 13z2 -5z + 7z3 – 152 (iii) p – (p –…
Read more
NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.1 Ex 12.1 Class 7 Maths Question 1. Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: (i) Subtraction of z from y. (ii) One half of the sum…
Read more
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.4 NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.4 Ex 11.4 Class 7 Maths Question 1. A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outside and around…
Read more
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.3 NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.3 Ex 11.3 Class 7 Maths Question 1. Find the circumference of the circles with the following radius. (Take π =\(\frac{22}{7}\)) (a) 14 cm (b) 28 mm (c) 21 cm…
Read more
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.2 NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.2 Ex 11.2 Class 7 Maths Question 1. Find the area of each of the following parallelograms: Solution: (a) Area of the parallelogram = base × altitude = 7 cm…
Read more
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.1 Ex 11.1 Class 7 Maths Question 1. The length and the breadth of a rectangular piece of land are 500 m and 300 m respectively. Find (i) its area (ii) the…
Read more
NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.5 NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Exercise 10.5 Ex 10.5 Class 7 Maths Question 1. Construct the right angled ∆PQR, where m∠Q = 90°, QR = 8 cm and PR = 10 cm. Solution: Steps of construction: (i) Draw…
Read more
NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Exercise 10.4 Ex 10.4 Class 7 Maths Question 1. Construct ∆ABC, given m ∠A = 60°, m ∠B = 30° and AB = 5.8 cm. Solution: Steps of construction: (i) Draw AB =…
Read more
NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.3 NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Exercise 10.3 Ex 10.3 Class 7 Maths Question 1. Construct ∆DEF such that DE = 5 cm, DF = 3 cm and m ∠DEF = 90°. Solution: Steps of construction: (i) Draw DF…
Read more