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Solutions For All Chapters Maths Class 7 Ex 9.1 Class 7 Maths Question 1. Find the area of each of the following parallelograms: Solution: (a) Area of the parallelogram = base × altitude = 7 cm × 4 cm = 28 cm2 (b) Area of the parallelogram = base × altitude = 5 cm × […]

Solutions For All Chapters Maths Class 7 Class 7 Exercise 8.3 Question Answer

Solutions For All Chapters Maths Class 7 Ex 8.2 Class 7 Maths Question 1. Find the sum: Solution. Ex 8.2 Class 7 Maths Question 2. Find: Solution: Ex 8.2 Class 7 Maths Question 3. Find the product: Solution: Ex 8.2 Class 7 Maths Question 4. Find the value of: Solution:

Solutions For All Chapters Maths Class 7 Ex 8.1 Class 7 Maths Question 1. List five rational numbers between: (i) -1 and 0 (ii) -2 and -1 (iii) -4/5 and -2/3 (iv) 1/2 and 2/3 Solution: (i) -1 and 0 Converting each of rational numbers as a denominator 5 + 1 = 6, we have […]

Solutions For All Chapters Maths Class 7 Class 7 Exercise 7.2 Question Answer

Solutions For All Chapters Maths Class 7 Ex 7.1 Class 7 Maths Question 1. Convert the given fractional numbers to per cents: Solution: Ex 7.1 Class 7 Maths Question 2. Convert the given decimal fractions to per cents: (а) 0.65 (b) 2.1 (c) 0.02 (d) 12.35 Solution: (a) 0.65 = 0.65 × 100/100 = 0.65 […]

Solutions For All Chapters Maths Class 7 Class 7 Exercise 6.5 Question Answer

Solutions For All Chapters Maths Class 7 Ex 6.4 Class 7 Maths Question 1. Is it possible to have a triangle with the following sides? (i) 2 cm, 3 cm, 5 cm (ii) 3 cm, 6 cm, 7 cm (iii) 6 cm, 3 cm, 2 cm Solution: We know that for a triangle, the sum […]

Solutions For All Chapters Maths Class 7 Ex 6.3 Class 7 Maths Question 1. Find the value of the unknown x in the following diagrams: Solution: (i) By angle sum property of a triangle, we have ∠x + 50° + 60° = 180° ⇒ ∠x + 110° = 180° ∴ ∠x = 180° – 110° […]

Solutions For All Chapters Maths Class 7 Ex 6.2 Class 7 Maths Question 1. Find the value of the unknown exterior angle x in the following diagrams: Solution: (i) ∠x = 50° + 70° = 120° (Exterior angle is equal to sum of its interior opposite angles) (ii) ∠x = 65°+ 45° = 110° (Exterior […]

Solutions For All Chapters Maths Class 7 Class 7 Exercise 6.1 Question Answer

Solutions For All Chapters Maths Class 7 Ex 5.2 Class 7 Maths Question 1. State the property that is used in each of the following statements? (i) If a || b, then ∠1 = ∠5 (ii) If ∠4 = ∠6, then a || b (iii) If ∠4 + ∠5 = 180°, then a || b […]

Solutions For All Chapters Maths Class 7 Ex 5.1 Class 7 Maths Question 1. Find the complement of each of the following angles: Solution: (i) Complement of 20° = 90° – 20° = 70° (ii) Complement of 63° = 90° – 63° = 27° (iii) Complement of 57° = 90° – 57° = 33° Ex […]

Solutions For All Chapters Maths Class 7

Solutions For All Chapters Maths Class 7 Ex 4.3 Class 7 Maths Question 1. Set up equations and solve them to find the unknown numbers in the following cases: (a) Add 4 to eight times a number; you get 60. (b) One-fifth of a number minus 4 gives 3. (c) If I take three-fourths of […]

Solutions For All Chapters Maths Class 7 Ex 4.2 Class 7 Maths Question 1. Given first the step you will use to separate the variable and then solve the equation: (a) x – 1 = 0 (b) x + 1 = 0 (c) x – 1 = 5 (d) x + 6 = 2 (e) […]

Solutions For All Chapters Maths Class 7 Ex 4.1 Class 7 Maths Question 1. Complete the given column of the table: Solution: Ex 4.1 Class 7 Maths Question 2. Check whether the value given in the brackets is a solution to the given equation or not: (a) n + 5 = 19; (n = 1) […]

Solutions For All Chapters Maths Class 7 NCERT Solutions for Class 7 Maths Chapter 3 Data Handling Ex 3.4 Ex 3.4 Class 7 Maths Question 1. Tell whether the following situations are certain to happen, impossible to happen, can happen but not certain. (i) You are older today than yesterday. (ii) A tossed coin will […]

Solutions For All Chapters Maths Class 7 Ex 3.3 Class 7 Maths Question 1. Use the bar graph to answer the following questions. (a) Which is the most popular pet? (b) How many students have dog as a pet? Solution: From the given bar graph in figure, we have (a) Cats are the most popular […]

Solutions For All Chapters Maths Class 7 Ex 3.2 Class 7 Maths Question 1. The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same? Solution: […]

Solutions For All Chapters Maths Class 7 Ex 3.1 Class 7 Maths Question 1. Find the range of heights of any ten students of your class. Solution: Let us have the heights of 10 students are as follows: 140 cm, 141.5 cm, 138 cm, 150 cm, 161 cm, 138 cm, 140.5 cm, 135.5 cm, 160 […]

Solutions For All Chapters Maths Class 7 Ex 2.5 Class 7 Maths Question 1. Find: (i) 0.4 ÷ 2 (ii) 0.35 ÷ 5 (iii) 2.48 ÷ 4 (iv) 65.4 ÷ 6 (v) 651.2 ÷ 4 (vi) 14.49 ÷ 7 (vii) 3.96 ÷ 4 (viii) 0.80 ÷ 5 Solution: Ex 2.5 Class 7 Maths Question 2. […]

Solutions For All Chapters Maths Class 7 Ex 2.4 Class 7 Maths Question 1. Find: (i) 0.2 × 6 (ii) 8 × 4.6 (iii) 2.71 × 5 (iv) 20.1 × 4 (v) 0.05 × 7 (vi) 211.02 × 4 (vii) 2 × 0.86 Solution: (i) 0.2 × 6 ∵ 2 × 6 = 12 and […]

Solutions For All Chapters Maths Class 7 Ex 2.3 Class 7 Maths Question 1. Find: Solution: Ex 2.3 Class 7 Maths Question 2. Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. Solution: (i) Reciprocal of 3/7 = 7/3, which is improper fraction. (ii) […]

Solutions For All Chapters Maths Class 7 Maths Chapter 2 Exercise 2.2 Question & Answers

Solutions For All Chapters Maths Class 7 Ex 1.1 Class 7 Maths Question 1. Write down a pair of integers whose: (a) sum is -7 (b) difference is -10 (c) sum is 0. Solution: (a) Let us take a pair of integers -3 and -4. ∴ (-3) + (-4) = -3 – 4 = -7 […]