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Solutions For All Chapters Maths Class 7 Ex 13.3 Class 7 Maths Question 1. What cross-sections do you get when you give a (i) vertical cut (ii) horizontal cut   to the following solids? (a) A brick (b) A round apple (c) A die (d) A circular pipe (e) An ice cream cone. Solution: Solids […]

Solutions For All Chapters Maths Class 7 Ex 13.2 Class 7 Maths Question 1. Use isometric dot paper and make an isometric sketch for each one of the given shapes: Solution: Ex 13.2 Class 7 Maths Question 2. The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric […]

Solutions For All Chapters Maths Class 7 Ex 13.1 Class 7 Maths Question 1. Identify the nets which can be used to make cubes (Cut out copies of the nets and try it): Solution: Fig. (ii), (iii), (iv) and (vi) can be used to make cubes. Ex 13.1 Class 7 Maths Question 2. Dice are […]

Solutions For All Chapters Maths Class 7 NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions Ex 12.4 Ex 12.4 Class 7 Maths Question 1. Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches or calculators. If the number […]

Solutions For All Chapters Maths Class 7 Ex 12.3 Class 7 Maths Question 1. Name any two figures that have both line symmetry and rotational symmetry. Solution: English alphabet H and O both have line symmetry and rotational symmetry. Ex 12.3 Class 7 Maths Question 2. Draw, wherever possible, a rough sketch of (i) a […]

Solutions For All Chapters Maths Class 7 Ex 12.2 Class 7 Maths Question 1. Which of the following figures have rotational symmetry of order more than 1? Solution: The figure (a), (b), (d), (e) and (f) have rotational symmetry more than 1. Question 2. Give the order of rotational symmetry for each figure: Solution: Let […]

Solutions For All Chapters Maths Class 7 Ex 12.1 Class 7 Maths Question 1. Copy the figures with punched holes and find the axis of symmetry for the following: Solution: The axis of symmetry is shown by following line. Ex 12.1 Class 7 Maths Question 2. Give the line(s) of symmetry, find the other hole(s): […]

Solutions For All Chapters Maths Class 7 NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area Ex 11.4 Ex 11.4 Class 7 Maths Question 1. A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outside and around it. Find the area of the […]

Solutions For All Chapters Maths Class 7 Ex 11.3 Class 7 Maths Question 1. Write the following numbers in the e×panded forms: 279404, 3006194, 2806196, 120719, 20068 Solution: (i) 279404 = 2 × 100000 + 7 × 10000 + 9 × 1000 + 4 × 100 + 0 × 10 + 4 = 2 × […]

Solutions For All Chapters Maths Class 7 Ex 11.2 Class 7 Maths Question 1. Using laws of e×ponents, simplify and write the answer in e×ponential form: (i) 3² × 34 × 38 (ii) 615 ÷610 (iii) a³ × a2 (iv)  7x × 7² (v) (5²)³ ÷ 5³ (vi) 25 × 55 (vii)  a4 × b4 (viii) […]

Solutions For All Chapters Maths Class 7 Ex 11.1 Class 7 Maths Question 1. 1. Find the value of: (i) 26 (ii) 93 (iii) 112 (iv) 54 Solution: (i) 26 = 2 × 2 × 2 × 2 × 2 × 2 = 64 (ii) 9³ = 9 × 9 × 9 = 729 (iii) 11² […]

Solutions For All Chapters Maths Class 7 NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.5 Ex 10.5 Class 7 Maths Question 1. Construct the right angled ∆PQR, where m∠Q = 90°, QR = 8 cm and PR = 10 cm. Solution: Steps of construction: (i) Draw QR = 8 cm. (ii) […]

NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.4 Ex 10.4 Class 7 Maths Question 1. Construct ∆ABC, given m ∠A = 60°, m ∠B = 30° and AB = 5.8 cm. Solution: Steps of construction: (i) Draw AB = 5.8 cm. (ii) Draw ∠A = 60° and ∠B = 30° to […]

Solutions For All Chapters Maths Class 7 NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry Ex 10.3 Ex 10.3 Class 7 Maths Question 1. Construct ∆DEF such that DE = 5 cm, DF = 3 cm and m ∠DEF = 90°. Solution: Steps of construction: (i) Draw DF = 3 cm. (ii) Draw […]

Solutions For All Chapters Maths Class 7 Ex 10.2 Class 7 Maths Question 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 Putting m = 2, we get […]

Solutions For All Chapters Maths Class 7 Class 7 Exercise 10.1 Question Answer

Solutions For All Chapters Maths Class 7 Ex 9.2 Class 7 Maths Question 1. Find the circumference of the circles with the following radius. (Take π = 22/7) (a) 14 cm (b) 28 mm (c) 21 cm Solution: (a) Given: Radius (r) = 14 cm ∴ Circumference = 2πr = 2 × 22/7 × 14 […]

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 […]