CBSE 7

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 8 Comparing Quantities Exercise 8.2

Comparing Quantities Exercise 8.2 1). Convert the given fractional numbers to per cents. (a) 1/8                         (b) 5/4 (c) 3/40                        (d) 2/7 Solution: (a) 1/8                         (b) 5/4 (c) 3/40                        (d) 2/7 2). Convert the given decimal fractions to per cents. (a) 0.65                                     (b) 2.1 (c) 0.02                                     (d) 12.35 Solution: (a) 0.65    0.65 = …

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NCERT Solutions Class 7 Maths Chapter 6 Congruence of Triangles Exercise 7.1

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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