MEDIUM
10th Assam Board
IMPORTANT
Earn 100

Find the roots of the quadratic equation by applying the quadratic formula.
 2x2+x+4=0
 

Important Questions on Quadratic Equations

MEDIUM
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 3
Find the roots of the following equation.
 x-1x=3,x≠0
 
MEDIUM
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 3

Find the roots of the following equation.

1x+4-1x-7=1130, x≠-4,7

MEDIUM
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 4
The sum of the reciprocals of Rehman’s ages, (in years) 3 years ago and 5 years from now is 13. Find his present age.
MEDIUM
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 5
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.
HARD
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 6
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.
HARD
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 7
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.
HARD
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 8
A train travels 360 km at a uniform speed. If the speed had been 5km/h more, it would have taken 1 hour less for the same journey. Find the speed of the train.
HARD
10th Assam Board
IMPORTANT
MATHEMATICS Textbook for Class X>Chapter 4 - Quadratic Equations>Exercise 4.3>Q 9
Two water taps together can fill a tank in 938 hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.