Std 7 Maths CBSE

NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.4

Click here for the solutions of Exercise 12.1 Exercise 12.2 Exercise 12.3 Exercise 12.4 Exercise 11.1 Exercise 11.2 Exercise 11.3 Exercise 11.4 Exercise 10.1 Exercise 10.2 Exercise 10.3 Exercise 10.4 Exercise 10.5 Exercise 9.1 Exercise 9.2 Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 7.1 Exercise 7.2 Exercise 6.1 Exercise 6.2 Exercise 6.3 Exercise 6.4 Exercise …

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NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.3

Algebraic Expressions Exercise 12.3 1). If m = 2, find the value of: (i) m – 2                                           (ii) 3m – 5 (iii) 9 – 5m                                              (iv) 3m2 – 2m – 7 (v) 5m/2 – 4 Solution: (i) m – 2 Put m = 2  in the given expression m – 2 = 2 – …

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NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.2

Algebraic Expressions Exercise 12.2 1). Simplify combining like terms: (i) 21b – 32 + 7b – 20b Solution: 21b – 32 + 7b – 20b = 21b + 7b – 20b – 32                               = ( 21 + 7 – 20 ) b – 32                               = 8b – 32 Ans: 21b – …

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NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.1

Algebraic Expressions Exercise 12.1 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 of numbers x and y. (iii) The number z multiplied by itself. (iv) One-fourth of the product of numbers p and q. (v) Numbers x and …

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NCERT Solutions Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.2

Perimeter and Area Exercise 11.2 1). Find the area of each of the following parallelograms: a) Given: base = 7 cm height = 4 cm To find: Area of parallelogram Area of parallelogram = base X height                                   = 7 X 4                                   = 28 Sq cm b) Given: base = 5 cm height = …

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NCERT Solutions Class 7 Maths Chapter 11 Perimeter and Area Exercise 11.1

Perimeter and Area Exercise 11.1 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 cost of the land, if 1 m2 of the land costs 10,000. Given: length of the rectangular land = 500 m Breadth of the rectangular …

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NCERT Solutions Class 7 Maths Chapter 10 Practical Geometry Exercise 10.5

Click here for the solutions of Exercise 11.1 Exercise 11.2 Exercise 11.3 Exercise 11.4 Exercise 10.1 Exercise 10.2 Exercise 10.3 Exercise 10.4 Exercise 10.5 Exercise 9.1 Exercise 9.2 Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 7.1 Exercise 7.2 Exercise 6.1 Exercise 6.2 Exercise 6.3 Exercise 6.4 Exercise 6.5 Exercise 5.1 Exercise 5.2 Exercise 4.1 Exercise …

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NCERT Solutions Class 7 Maths Chapter 10 Practical Geometry Exercise 10.4

Click here for the solutions of Exercise 11.1 Exercise 11.2 Exercise 11.3 Exercise 11.4 Exercise 10.1 Exercise 10.2 Exercise 10.3 Exercise 10.4 Exercise 10.5 Exercise 9.1 Exercise 9.2 Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 7.1 Exercise 7.2 Exercise 6.1 Exercise 6.2 Exercise 6.3 Exercise 6.4 Exercise 6.5 Exercise 5.1 Exercise 5.2 Exercise 4.1 Exercise …

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NCERT Solutions Class 7 Maths Chapter 10 Practical Geometry Exercise 10.3

Click here for the solutions of Exercise 11.1 Exercise 11.2 Exercise 11.3 Exercise 11.4 Exercise 10.1 Exercise 10.2 Exercise 10.3 Exercise 10.4 Exercise 10.5 Exercise 9.1 Exercise 9.2 Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 7.1 Exercise 7.2 Exercise 6.1 Exercise 6.2 Exercise 6.3 Exercise 6.4 Exercise 6.5 Exercise 5.1 Exercise 5.2 Exercise 4.1 Exercise …

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NCERT Solutions Class 7 Maths Chapter 10 Practical Geometry Exercise 10.2

  Click here for the solutions of Exercise 11.1 Exercise 11.2 Exercise 11.3 Exercise 11.4 Exercise 10.1 Exercise 10.2 Exercise 10.3 Exercise 10.4 Exercise 10.5 Exercise 9.1 Exercise 9.2 Exercise 8.1 Exercise 8.2 Exercise 8.3 Exercise 7.1 Exercise 7.2 Exercise 6.1 Exercise 6.2 Exercise 6.3 Exercise 6.4 Exercise 6.5 Exercise 5.1 Exercise 5.2 Exercise 4.1 …

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