RS Aggarwal Class 7 solutions of Chapter 9 Unitary Method CCE Test Paper in pdf free download … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method CCE Test Paper

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## RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9C

RS Aggarwal Class 7 solutions of Chapter 9 Unitary Method Ex 9C in pdf free download … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9C

## RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9B

RS Aggarwal Class 7 solutions of Chapter 9 Unitary Method Ex 9B in pdf free download … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9B

## RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9A

RS Aggarwal Class 7 solutions of Chapter 9 Unitary Method Ex 9A in pdf free download … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 9 Unitary Method Ex 9A

## RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion CCE Test Paper

RS Aggarwal Class 7 solutions of Chapter 8 Ratio and Proportion CCE Test Paper in pdf free download Question 1.Compare 4 : 5 and 7 : 9.Solution: Question 2.Divide ₹ 1100 among A, B and C in the ratio 2 : 3 : 5.Solution:The sum of ratio terms is = 2 + 3 + 5 = 10Then, we have :A's share = ₹ x 1100 = ₹ 220B's share = ₹ x 1100 = ₹ 330C's share = ₹ x 1100 = ₹ 550 Question … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion CCE Test Paper

## RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8C

RS Aggarwal Class 7 solutions of Chapter 8 Ratio and Proportion Ex 8C in pdf free download Objective questions :Mark (✓) against the correct answers in each of the following :Question 1.If a : b = 3 : 4 and b : c = 8 : 9, then a : c = ?(a) 1 : 2(b) 3 : 2(c) 1 : 3(d) 2 : 3Solution:(d) a : b = 3 : 4, b : c = 8 : 9 Question 2.If A : B = 2 : 3 and B : C = 4 : 5, then C : A = … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8C

## RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8B

RS Aggarwal Class 7 solutions of Chapter 8 Ratio and Proportion Ex 8B in pdf free download Question 1.Show that 30, 40, 45, 60 are in proportion.Solution:We know that a, b, c, d are in proportion if ad = bcNow 30, 40, 45, 60 are in proportionif 30 x 60 = 40 x 45if 1800= 1800which is true30, 40, 45, 60 are in proportion. Question 2.Show that 36, 49, 6, 7 are not in … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8B

## RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8A

RS Aggarwal Class 7 solutions of Chapter 8 Ratio and Proportion Ex 8A in pdf free download Question 1.Express each of the following ratios in the simplest form : '(i) 24 : 40(ii) 13.5 : 15(iii) 6 : 7(iv) : (v) 4 : 5 : (vi) 2.5 : 6.5 : 8Solution:(i) 24 : 40HCF of 24, 40 = 824 : 40 = 24 ÷ 8 : 40 ÷ 8 = 3 : 5 (Dividing by 8)(ii) 13.5 : 15 or 135 : 150HCF of 135 and 150 = 15135 ÷ … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 8 Ratio and Proportion Ex 8A

## RS Aggarwal Solutions Class 7 of Chapter 7 Linear Equations in One Variable CCE Test Paper

RS Aggarwal Class 7 solutions of Chapter 7 Linear Equations in One Variable CCE Test Paper in pdf free download Question 1.Evaluate x3 + y3 + z3 – 3xyz when x = -2, y = -1 and z = 3.Solution:We have:x3 + y3 + z3 – 3xyz= (-2)3 + (-1)3 + (3)3 – 3 x (-2) x (-1) x 3= – 8 – 1 + 27 – 18 = -27 + 27 = 0 Question 2.Write the coefficient of* in each ofthe following:(i) -5xy(ii) … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 7 Linear Equations in One Variable CCE Test Paper

## RS Aggarwal Solutions Class 7 of Chapter 7 Linear Equations in One Variable Ex 7C

RS Aggarwal Class 7 solutions of Chapter 7 Linear Equations in One Variable Ex 7C in pdf free download Objective Questions :Mark (✓) against the correct answer in each of the following :Question 1.Solution:(d) Question 2.Solution:(d) Question 3.If (2n + 5) = 3(3n – 10), then n = ?(a) 5(b) 3(c) (d) Solution:(a)2n + 5 = 3 (3n – 10)⇒ 2n + 5 = 9n – 30⇒ 9n – 2n = 5 + 30⇒ 7n = … [Read more...] about RS Aggarwal Solutions Class 7 of Chapter 7 Linear Equations in One Variable Ex 7C