R. D. Sharma Solutions for Chapter: Quadratic Equations, Exercise 2: EXERCISE 4.2

Author:R. D. Sharma

R. D. Sharma Mathematics Solutions for Exercise - R. D. Sharma Solutions for Chapter: Quadratic Equations, Exercise 2: EXERCISE 4.2

Attempt the free practice questions on Chapter 4: Quadratic Equations, Exercise 2: EXERCISE 4.2 with hints and solutions to strengthen your understanding. MATHEMATICS CLASS X solutions are prepared by Experienced Embibe Experts.

Questions from R. D. Sharma Solutions for Chapter: Quadratic Equations, Exercise 2: EXERCISE 4.2 with Hints & Solutions

HARD
10th CBSE
IMPORTANT

The product of two consecutive positive integers is 306. Form the quadratic equation to find the integers, if x denotes the smaller integer.

MEDIUM
10th CBSE
IMPORTANT

John and Jivanti together have 45 marbles. Both of them lost 5 marbles each, and the product of the number of marbles they now have is 128 . Form the quadratic equation to find how many marbles they had to start with, if John had x marbles.

MEDIUM
10th CBSE
IMPORTANT

A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particular day, the total cost of production was 750. If x denotes the number of toys produced that day, form the quadratic equation fo find x.

(Note: The word article is replaced by toys)

MEDIUM
10th CBSE
IMPORTANT

The height of a right triangle is 7cm less than its base. If the hypotenuse is 13 cm, form the quadratic equation to find the base of the triangle.

HARD
10th CBSE
IMPORTANT

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore. If the average speed of the express train is 11km/hr more than that of the passenger train, from the quadratic equation to find the average speed of express train.

HARD
10th CBSE
IMPORTANT

A train travels 360 km at a uniform speed. If the speed had been 5 km/hr more, it would have taken 1 hour less for the same journey. Form the quadratic equation to find the speed of the train.