Chapter 4 – Quadratic Equations
An express train takes 1 hour less than passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11 km/hour more than that of passenger train, find the average speed of the two trains.
04
Oct
An express train takes 1 hour less than passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11 km/hour more than that of passenger train, find the average speed of the two trains. Find [...]
Two water taps together can fill a tank in 9 8/3 hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time(in hrs.) in which tap of smaller diameter can separately fill the tank.
04
Oct
Two water taps together can fill a tank in 9 8/3 hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time(in hrs.) in which tap of smaller diameter can separately fill the tank. Find the roots of the following equations : x − [...]
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. Find the speed of the train.
04
Oct
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. Find the speed of the train. A train travels 360 km at a uniform speed. If the speed had been 5 km/hr more it would have taken [...]
The difference of squares of two numbers is 180. The square of the smaller number is 8 times the larger number. Find the two numbers.
04
Oct
The difference of squares of two numbers is 180. The square of the smaller number is 8 times the larger number. Find the two numbers. The difference of squares of two numbers is 180. The square of the smaller number is 8 times the larger number. Find the two numbers. October 4, 2020 Category: Chapter [...]
The diagonal of a rectangular field is 60 metres more than the shorter side. If the longer side is 30 metres more than the shorter side, find the sides of the field.
04
Oct
The diagonal of a rectangular field is 60 metres more than the shorter side. If the longer side is 30 metres more than the shorter side, find the sides of the field. find the sides of the field. The diagonal of a rectangular field is 60 metres more than the shorter side. If the longer [...]
In a class test, the sum of Shefali’s marks in Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3 marks less in English, the product of their marks would have been 210. Find her marks in the two subjects.
04
Oct
In a class test, the sum of Shefali’s marks in Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3 marks less in English, the product of their marks would have been 210. Find her marks in the two subjects. In a class test the product of their marks would [...]
The sum of the reciprocals of Rehman’s ages, (in years) 3 years ago and 5 years from now is 1/3 . Find his present age.
04
Oct
The sum of the reciprocals of Rehman’s ages, (in years) 3 years ago and 5 years from now is 1/3 . Find his present age. (in years) 3 years ago and 5 years from now is 1/3 . Find his present age. The sum of the reciprocals of Rehman's ages October 4, 2020 Category: Chapter [...]
Find the roots of the following equations : 1/x + 4 − 1/x − 7 = 11/30, x ≠ −4, 7
04
Oct
Find the roots of the following equations : 1/x + 4 − 1/x − 7 = 11/30, x ≠ −4, 7 7) Find the roots of the following equations : 1/x + 4 − 1/x − 7 = 11/30 x ≠ −4 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT [...]
Find the roots of the following equations : x − 1/x = 3, x ≠ 0
04
Oct
Find the roots of the following equations : x − 1/x = 3, x ≠ 0 Find the roots of the following equations : x − 1/x = 3 x = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,
Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 + x + 4 = 0
04
Oct
Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 + x + 4 = 0 Find the roots of the quadratic equations given in Q.1 above by applying the quadratic formula. 2x^2 = x - 4 = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations [...]