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NCERT Solutions for Class 7 Maths Chapter 14 Symmetry Ex 14.1 NCERT Solutions for Class 7 Maths Chapter 14 Symmetry Exercise 14.1 Ex 14.1 Class 7 Maths Question 1. Copy the figures with punched holes and find the axis of symmetry for the following: Solution: The axis of symmetry is shown by following line. Ex [...]
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NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.3 NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.3 Ex 13.3 Class 7 Maths Question 1. Write the following numbers in the e×panded forms: 279404, 3006194, 2806196, 120719, 20068 Solution: (i) 279404 = 2 × 100000 + 7 [...]
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NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.2 NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.2 Ex 13.2 Class 7 Maths Question 1. Using laws of e×ponents, simplify and write the answer in e×ponential form: (i) 32 × 34 × 38 (ii) 615 ÷ 610 [...]
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NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Ex 13.1 NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers Exercise 13.1 Ex 13.1 Class 7 Maths Question 1. Find the value of (i) 26 (ii) 93 (iii) 112 (iv) 54 Solution: (i) 26 = 2 × 2 × 2 × [...]
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NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.4 Ex 12.4 Class 7 Maths Question 1. Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches [...]
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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 [...]
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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 – [...]
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NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.1 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 [...]
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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 [...]
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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 [...]