# Class 7

## Class 6 Maths Chapter 2 Whole Numbers

Exercise 2.1 Ex 2.1 Class 6 Maths Question 1.Write the next three natural numbers after 10999.Solution:The next three natural numbers after 10999 are 11000, 11001 and 11002. Ex 2.1 Class 6 Maths Question 2.Write three whole numbers occurring just before 10001.Solution:10001 – 1 = 1000010000 – 1 = 99999999 – 1 = 9998Hence, three whole numbers just …

## class 7 Maths Chapter 15 Visualising Solid Shapes

Exercise-15.1 Q 1. Identify the nets which can be used to make cubes (cut out copies of the nets and try it) Ans: (i) The given net can be folded as follows. When the faces that are in sky blue colour and in pink colour are folded to make a cube, they will be overlapping …

## Class 7 Maths Chapter 14 Symmetry

Exercise-14.1 Exercise-14.2 Exercise-14.3

## Class 7 Maths Chapter 13 Exponents and Powers

Exercise-13.1 Question 1: Find the value of: (i) 26 (ii) 93 (iii) 112 (iv) 54 Answer: (i)In the given question, We have to find the value of 26 We have, 26 = 2 × 2 × 2 × 2 × 2 × 2= 64 (ii) In the given question, We have to find the value …

## class 7 Maths Chapter-12 Algebraic expressions

Exercise-12.1 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 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 y …

## class 7 Maths Chapter-11 Perimeter and Area

Exercise-11.1 Question 1:The length and the breadth of a rectangular piece of land is 500 m by 300 m respectively.Find:(i) Its area(ii) The cost of the land, if 1 m2 of the land costs Rs. 10,000. Answer:It is given in the question that,Length of rectangular piece of land = 500 mBreadth of rectangular piece of land …

## class 7 Maths Chapter-10 line and angle

Exercise-10.1   Question  1:Draw a line, say AB, take a point C outside it. Through C, draw a line parallel to AB using ruler and compasses only.Answer: The steps of construction are as follows.(i)Draw a line AB. Take a point P on it. Take a point C outside this line. Join C to P. (ii)Taking P …

## class 7 Maths Chapter-9 Rational Numbers

Exercise-9.1 Exercise-9.2

## Class-7 Maths chapter-7 Congruence of Triangles Exercise-7.1

Question 1:Complete the following statements:(a) Two line segments are congruent if __________.(b) Among two congruent angles, one has a measure of 70°; the measure of the other angle is __________.(c) When we write ∠A = ∠ B, we actually mean __________.Answer:(a) They have the same length(b) 70°(c) m ∠A = m ∠B Question 2:Give any …

## class 7 Maths Chapter-6 Triangle and its properties

Exercise-6.1 Question 1: In ∆PQR ,D is the mid-point of .  is __________. PD is ___________. Is QM = MR? Answer: In the above given question, we have ∆PQR Also, given that: D is the mid-point of  Therefore,  is altitude Also,  is Median And, QM ≠ MR Question 2: Draw rough sketches for the following: (a) …

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