Question 25. In an A.P. the first term is 22, nth term is –11 and the sum of first n term is 66. Find n… Read More

# Tag Archives: RD Sharma Class-10

Question 1. Find the sum of the following arithmetic progressions: (i) 50, 46, 42, … to 10 terms Solution: Given A.P. has first term(a) =… Read More

Question 14. Find the value of k for which each of the following system of equations having infinitely many solutions: 2x + 3y =… Read More

Question 1. The sum of two numbers is 8. If their sum is four times their difference, find the numbers. Solution: Let us assume the… Read More

Question 1. AB is a chord of a circle with centre O and radius 4 cm. AB is of length 4 cm and divides the… Read More

Question 1. A piece of cloth costs ₹ 35. If the piece were 4 m longer and each metre costs ₹ 1 less, the cost… Read More

Question 1. Draw an ogive by less than the method for the following data: No. of rooms 1 2 3 4 5 6 7 8… Read More

Question 21. (16/x) – 1 = 15/(x + 1), x ≠ 0, -1. Solution: We have equation, (16/x) – 1 = 15/(x + 1) (16… Read More

Question 1. Suppose you drop a tie at random on the rectangular region shown in fig. below. What is the probability that it will land inside… Read More

Question 13. A part of monthly hostel charges in a college are fixed and the remaining depend on the number of days one has taken… Read More

Question 1. If in a rectangle, the length is increased and breadth reduced each by 2 units, the area is reduced by 28 square units.… Read More

Question 1. A bucket has top and bottom diameters of 40 cm and 20 cm respectively. Find the volume of the bucket if its depth… Read More

Question 11. A bucket is in the form of a frustum of a cone of height 30 cm with radii of its lower and upper ends… Read More

Question 1. Akhila went to a fair in her village. She wanted to enjoy rides on the Giant Wheel and play Hoopla (a game in… Read More

Solve the following quadratic equations by factorization Question 1. (x – 4) (x + 2) = 0 Solution: We have equation, (x – 4) (x… Read More