NCERT Solutions Class 7 Mathematics Algebraic Expressions Ex 12.3
Class 6 – Mathematics Chapter – Algebraic Expressions : Exercise 12.3 Question : 1.If m=2, find the value of: (i) m – 2 (ii) 3m – 5 (iii) 9 – 5m (iv) 3m2 – 2m – 7 (v) 5m2 –…
NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
NCERT Solutions Class 7 Mathematics Algebraic Expressions Ex 12.2
Class 6 – Mathematics Chapter – Algebraic Expressions : Exercise 12.2 Question : 1.Simplify combining like terms: 21b – 32 + 7b – 20b – z2 + 13z2 – 5z + 7z3 – 15z p – (p – q) –…
NCERT Solutions Class 7 Mathematics Algebraic Expressions Ex 12.1
Class 6 – Mathematics Chapter – Algebraic Expressions : Exercise 12.1 Question : 1.Get the algebraic expressions in the following cases using variables, constants and arithmetic operations: Subtraction of 𝓏 from 𝓎. One-half of the sum of numbers 𝓍 and…
NCERT Solutions Class 7 Mathematics Perimeter and Area Ex 11.4
Class 6 – Mathematics Chapter – Perimeter and Area : Exercise 11.4 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…
NCERT Solutions Class 7 Mathematics Perimeter and Area Ex 11.3
Class 6 – Mathematics Chapter – Perimeter and Area : Exercise 11.3 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 Answer : (a)…
NCERT Solutions Class 7 Mathematics Perimeter and Area Ex 11.2
Class 6 – Mathematics Chapter – Perimeter and Area : Exercise 11.2 Question : 1.Find the area of each of the following parallelograms: Answer : We know that the area of parallelogram = base x height (a) Here base =…
NCERT Solutions Class 7 Mathematics Perimeter and Area Ex 11.1
Class 6 – Mathematics Chapter – Perimeter and Area : Exercise 11.1 Question : 1.The length and breadth of a rectangular piece of land are 500 m and 300 m respectively. Find: (i) Its area. (ii) The cost of the…
NCERT Solutions Class 7 Mathematics Practical Geometry Ex 10.5
Class 6 – Mathematics Chapter – Practical Geometry : Exercise 10.5 Question : 1.Construct the right angled ΔPQR, where 𝓂∠Q = 90o, QR = 8 cm and PR = 10 cm. Answer : To construct: A right angled triangle PQR…
NCERT Solutions Class 7 Mathematics Practical Geometry Ex 10.4
Class 6 – Mathematics Chapter – Practical Geometry : Exercise 10.4 Question : 1.Construct ΔABC, given 𝓂∠A = 60o,𝓂∠B = 30o and AB = 5.8 cm. Answer : To construct: ΔABC where 𝓂∠A = 60o,𝓂∠B = 30o and AB =…
NCERT Solutions Class 7 Mathematics Practical Geometry Ex 10.3
Class 6 – Mathematics Chapter – Practical Geometry : Exercise 10.3 Question : 1.Construct ΔDEF such that DE = 5 cm, DF = 3 cm and m∠EDF = 90o. Answer : To construct: ΔDEF where DE = 5 cm, DF…
NCERT Solutions Class 7 Mathematics Practical Geometry Ex 10.2
Class 6 – Mathematics Chapter – Practical Geometry : Exercise 10.2 Question : 1.Construct ΔXYZ in which XY = 4.5 cm, YZ = 5 cm and ZX = 6 cm. Answer : To construct: ΔXYZ, where XY = 4.5 cm,…
NCERT Solutions Class 7 Mathematics Practical Geometry Ex 10.1
Class 6 – Mathematics Chapter – Practical Geometry : 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 : To…
NCERT Solutions Class 7 Mathematics Rational Numbers Ex 9.2
Class 6 – Mathematics Chapter – Rational Numbers : Exercise 9.2 Question: 1.Find the sum: Answer : Question: 2.Find: Answer : Question: 3.Find the product: Answer : Question: 4.Find the value of: Answer :
NCERT Solutions Class 7 Mathematics Rational Numbers Ex 9.1
Class 6 – Mathematics Chapter – Rational Numbers : Exercise 9.1 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 Answer : (i) –1 and 0 Let…
NCERT Solutions Class 7 Mathematics Comparing Quantities Ex 8.3
Class 6 – Mathematics Chapter – Comparing Quantities : Exercise 8.3 Question: 1.Tell what is the profit or loss in the following transactions. Also find profit percent or loss percent in each case. (a) Gardening shears bought for Rs. 250…
NCERT Solutions Class 7 Mathematics Comparing Quantities Ex 8.2
Class 6 – Mathematics Chapter – Comparing Quantities : Exercise 8.2 Question: 1.Convert the given fractional numbers to percent: (a) 1⁄8 (b) 5⁄4 (c) 3⁄40 (d) 2⁄7 Answer : (a) 1⁄8 = 1⁄8 × 100% =25⁄2% = 12.5% (b) 5⁄4…
NCERT Solutions Class 7 Mathematics Comparing Quantities Ex 8.1
Class 6 – Mathematics Chapter – Comparing Quantities : Exercise 8.1 Question: 1. Find the ratio of: (a) Rs. 5 to 50 paise (b) 15 kg to 210 g (c) 9 m to 27 cm (d) 30 days to 36…
NCERT Solutions Class 7 Mathematics Congruence of Triangles Ex 7.2
Class 6 – Mathematics Chapter – Congruence of Triangles : Exercise 7.2 Question: 1.Which congruence criterion do you use in the following? (a) Given: AC = DF, AB = DE, BC = EF So ΔABC ≅ ΔDEF (b) Given: RP…
NCERT Solutions Class 7 Mathematics Congruence of Triangles Ex 7.1
Class 6 – Mathematics Chapter – Congruence of Triangles : Exercise 7.1 Question: 1.Complete the following statements: Two line segments are congruent if _______________. Among two congruent angles, one has a measure of 70o, the measure of other angle is…
NCERT Solutions Class 7 Mathematics Triangles and its Properties Ex 6.5
Class 6 – Mathematics Chapter – Triangles and its Properties : Exercise 6.5 Question : 1.PQR is a triangle, right angled at P. If PQ = 10 cm and PR = 24 cm, find QR. Answer : Given: PQ =…