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NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions Exercise 12.1

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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 6 Congruence of Triangles Exercise 7.1

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Congruence of Triangles Exercise 7.1 1). Complete the following statements: (a) Two line segments are congruent if they have the same length. (b) Among two congruent angles, one has a measure of 70°; the measure of the other angle is 70°. (c) When we write ÐA = ÐB, we actually mean mÐA = mÐB.  

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NCERT Solutions Class 6 Maths Chapter 6 Integers Exercise 6.3

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Integers Exercise 6.3 1). Find (a) 35 – (20)                                      (b) 72 – (90) (c) (– 15) – (– 18)                               (d) (–20) – (13) (e) 23 – (– 12)                                   (f) (–32) – (– 40) Answer: (a) 35 – (20)      35 – (20) = 35 – 20                    = 15                                       (b) 72

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NCERT Solutions Class 6 Maths Chapter 6 Integers Exercise 6.1

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Integers   Points to remember: (a) Every positive integer is larger than every negative integer. (b) Zero is less than every positive integer. (c) Zero is larger than every negative integer. (d) Zero is neither a negative integer nor a positive integer. (e) Farther a number from zero on the right, larger is its value.

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