RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.6 in pdf free download Question 1.Find the sum of the following arithmetic progressions :Solution: Question 2.Find the sum to n term of the A.P. 5, 2, – 1, 4, -7, …,Solution: Question 3.Find the sum of n terms of an A.P. whose nth terms is given by an = 5 – 6n.Solution: Question 4.Find the sum of … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.6

## RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.5

RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.5 in pdf free download Question 1.Find the value of x for which (8x + 4), (6x – 2) and (2x + 7) are in A.P.Solution:(8x + 4), (6x – 2) and (2x + 7) are in A.P.(6x – 2) – (8x + 4) = (2x + 7) – (6x – 2)=> 6x – 2 – 8x – 4 = 2x + 7 – 6x + 2=> -2x – 6 = -4x + 9=> -2x + 4x = 9 + 6=> 2x = 15Hence x … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.5

## RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.4

RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.4 in pdf free download Question 1.(i) 10th term of the A.P. 1, 4, 7, 10, ………(ii) 18th term of the A.P. √2 , 3√2 , 5√2 , ……….(iii) nth term of the A.P. 13, 8, 3, -2, ……..(iv) 10th term of the A.P. -40, -15, 10, 35, ……..(v) 8th term of the A.P. 117, 104, 91, 78, ………..(vi) 11th term of the A.P. 10.0 , 10.5, … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.4

## RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.3

RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.3 in pdf free download Question 1.For the following arithmetic progressions write the first term a and the common difference d :(i) -5, -1, 3, 7, …………(ii) , , , , ……(iii) 0.3, 0.55, 0.80, 1.05, …………(iv) -1.1, -3.1, -5.1, -7.1, …………..Solution:(i) -5, -1, 3, 7, ………… Question 2.Write the arithmetic … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.3

## RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.2

RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.2 in pdf free download Question 1.Show that the sequence defined by an = 5n – 7 is an A.P., find its common difference.Solution: Question 2.Show that the sequence defined by an = 3n² – 5 is not an A.P.Solution: Question 3.The general term of a sequence is given by an = -4n + 15. Is the sequence an … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.2

## RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.1

RD Sharma Class 10 solutions of Chapter 5 Arithmetic Progressions Ex 5.1 in pdf free download Question 1.Write the first five terms of each of the following sequences whose nth terms are:Solution: Question 2.Find the indicated terms in each of the following sequences whose nth terms are:Solution: Question 3.Find the next five terms of each of the following sequences given … [Read more...] about RD Sharma Solutions Class 10 of Chapter 5 Arithmetic Progressions Ex 5.1

## RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations MCQS

RD Sharma Class 10 solutions of Chapter 4 Quadratic Equations MCQS in pdf free download Mark the correct alternative in each of the following :Question 1.If the equation x² + 4x + k = 0 has real and distinct roots, then(a) k < 4(b) k > 4(c) k ≥ 4(d) k ≤ 4Solution:(a) In the equation x² + 4x + k = 0a = 1, b = 4, c = kD = b² – 4ac = (4)² – 4 x 1 x k = 16 – 4kRoots are … [Read more...] about RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations MCQS

## RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations VSAQS

RD Sharma Class 10 solutions of Chapter 4 Quadratic Equations VSAQS in pdf free download Answer each of the following questions either in one word or one sentence or as per requirement of the question :Question 1.Write the value of k for which the quadratic equation x² – kx + 4 = 0 has equal roots.Solution:x² – kx + 4 = 0Here a = 1, b = – k, c = 4Discriminant (D) = b² – 4ac= … [Read more...] about RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations VSAQS

## RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations Ex 4.13

RD Sharma Class 10 solutions of Chapter 4 Quadratic Equations Ex 4.13 in pdf free download Question 1.A piece of cloth costs Rs. 35. If the piece were 4 m longer and each metre costs Re. one less, the cost would remain unchanged. How long is the piece ?Solution:Let the length of piece of cloth = x mTotal cost = Rs. 35Cost of 1 m cloth = Rs. According to the condition,=> x … [Read more...] about RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations Ex 4.13

## RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations Ex 4.12

RD Sharma Class 10 solutions of Chapter 4 Quadratic Equations Ex 4.12 in pdf free download Question 1.A takes 10 days less than the time taken by B to finish a piece of work. If both A and B together can finish the work in 12 days, find the time taken by B to finish the work. .Solution:Let B can do the work in = x daysA will do the same work in = (x – 10) daysA and B both can … [Read more...] about RD Sharma Solutions Class 10 of Chapter 4 Quadratic Equations Ex 4.12