Chapter 12 Algebraic Expressions Exercise 12.3 Question 1: If m = 2, find the value of: (i) m - 2 Answer: = m = 2 = 2 - 2 = 0 (ii) 3m - 5 An...
Showing posts with label Class 7 NCERT Maths Solutions. Show all posts
Showing posts with label Class 7 NCERT Maths Solutions. Show all posts
NCERT Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.2
Chapter 12 Algebraic Expressions Exercise 12.2 Question 1: Simplify combining like terms: (i) 21b - 32 + 7b - 20b Answer: = 21b - 32 + 7b - ...
NCERT Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.2
Chapter 13 Exponents and Powers Exercise 13.2 Question 1: Using laws of exponents, simplify and write the answer in exponential form: (i) 3²...
NCERT Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.1
Chapter 13 Exponents and Powers Exercise 13.1 Question 1: Find the value of: (a) 2⁶ Answer: = 2 x 2 x 2 x 2 x 2 x 2 = 64 (b) 9³ Answer: = 9 ...
NCERT Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.3
Chapter 13 Exponents and Powers Exercise 13.3 Question 1: Write the following numbers in the expanded forms: 279404 Answer: = (2 × 100000) +...
NCERT Class 7 Maths Chapter 4 Simple Equations Exercise 4.4
Chapter 4 Simple Equations Exercise 4.4 Question 1: Set up equations and solve them to find the unknown numbers in the following cases: (a) ...
NCERT Class 7 Maths Chapter 4 Simple Equations Exercise 4.3
Chapter 4 Simple Equations Exercise 4.3 Question 1: Solve the following equations: (a) 2y + (5/2) = (37/2) Answer: = 2y + 5/2 = 37/2 = 2y = ...
NCERT Class 7 Maths Chapter 14 Symmetry Exercise 14.3
Chapter 14 Symmetry Exercise 14.3 Question 1: Name any two figures that have both line symmetry and rotational symmetry. Answer: Equilater...