NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 8 – Mathematics Cubes and Cube Roots – Exercise 7.1 Question :1. Which of the following numbers are not perfect cubes: (i)216 (ii)128 (iii)1000 (iv)100 (v)46656 Answer : (i)216 Prime factors of 216 = 2 x 2 x 2…
Class 8 – Mathematics Squares and Square Roots – Exercise 6.4 Question: 1. Find the square roots of each of the following numbers by Division method: (i) 2304 (ii) 4489 (iii) 3481 (iv) 529 (v) 3249 (vi) 1369 (vii) 5776…
Class 8 – Mathematics Squares and Square Roots – Exercise 6.3 Question: 1. What could be the possible ‘one’s’ digits of the square root of each of the following numbers: (i) 9801 (ii) 99856 (iii) 998001 (iv) 657666025 Answer :…
Class 8 – Mathematics Squares and Square Roots – Exercise 6.2 Question:1. Find the squares of the following numbers: (i) 32 (ii) 35 (iii) 86 (iv) 93 (v) 71 (vi) 46 Answer : Question: 2. Write a Pythagoras triplet whose…
Class 8 – Mathematics Squares and Square Roots – Exercise 6.1 Question:1. What will be the unit digit of the squares of the following numbers: (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii)…
Class 8 – Mathematics Data Handling – Exercise 5.3 Question: 1. List the outcomes you can see in these experiments. (a) Spinning a wheel (b) Tossing two coins together Answer : (a) There are four letters A, B, C and…
Class 8 – Mathematics Data Handling – Exercise 5.2 Question: 1. A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this…
Class 8 – Mathematics Data Handling – Exercise 5.1 Question: 1. For which of these would you use a histogram to show the data: (a) The number of letters for different areas in a postman’s bag. (b) The height of…
Class 8 – Mathematics Practical Geometry- Exercise 4.5 Draw the following: Question:1. The square READ with RE = 5.1 cm. Answer : Given: RE = 5.1 cm. To construct: A square READ. Steps of construction: (i) Draw RE = 5.1…
Class 8 – Mathematics Practical Geometry- Exercise 4.4 Question: 1. Construct the following quadrilaterals: (i) Quadrilateral DEAR DE = 4 cm, EA = 5 cm, AR = 4.5 cm, ∠E = 60°, ∠A = 90° (ii) Quadrilateral TRUE TR =…
Class 8 – Mathematics Practical Geometry- Exercise 4.2 Question:1. Construct the following quadrilaterals: (i) Quadrilateral LIFT LI = 4 cm, IF = 3 cm, TL = 2.5 cm, LF = 4.5 cm, IT = 4 cm (ii) Quadrilateral GOLD OL…
Class 8 – Mathematics Practical Geometry- Exercise 4.3 Question: (i) Quadrilateral MORE MO = 6 cm, OR = 4.5 cm, ∠M = 60° ∠O = 105°, ∠R = 105° (ii) Quadrilateral PLAN PL = 4 cm, LA = 6.5 cm,…
Class 8 – Mathematics Practical Geometry- Exercise 4.1 Question: 1. Construct the following quadrilaterals: (i) Quadrilateral ABCD AB = 4.5 cm, BC = 5.5 cm, CD = 4 cm, AD = 6 cm, AC = 7 cm (ii) Quadrilateral JUMP…
Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.4 Question:1. State whether true or false: (a) All rectangles are squares. (b) All rhombuses are parallelograms. (c) All squares are rhombuses and also rectangles. (d) All squares are not parallelograms. (e)…
Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.3 Question: 1. Given a parallelogram ABCD. Complete each statement along with the definition or property used. (i) AD = _______________ (ii) ∠DCB = ______________ (iii) OC = _____________ (iv) m∠DAB +…
Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.2 Question: 1. Find 𝓍 in the following figures: Answer : Question: 2. Find the measure of each exterior angle of a regular polygon of: (a) 9 sides (b) 15 sides Answer…
Class 8 – Mathematics Understanding Quadrilaterals – Exercise 3.1 Question: 1. Given here are some figures: Classify each of them on the basis of the following: (a) Simple curve (b) Simple closed curve (c) Polygon (d) Convex polygon (e) Concave…
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.6 Solve the following equations. Question: 1. Solve : Answer : ⇒ 8𝓍 – 3 = 2 x 3𝓍 ⇒ 8𝓍 – 3 = 6𝓍 ⇒ 8𝓍 – 6𝓍…
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.5 Solve the following linear equations. Question: 1. Solve : Answer : Question: 2. Solve : Answer : Question: 3. Solve : Answer : Question: 4. Solve : Answer…
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.4 Question: 1. Amina thinks of a number and subtracts 5⁄2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number…