MEDIUM
10th CBSE
IMPORTANT
Earn 100

The sum of the squares of two consecutive multiples of 7 is 637. Find the multiples. 

Important Questions on Quadratic Equations

MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.7>Q 39
The sum of the squares of two consecutive even numbers is 340. Find the numbers.
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.7>Q 40
The numerator of a fraction is 3 less than the denominator. If 2 is added to both the numerator and the denominator, then the sum of the new fraction and the original fraction is 2920. Find the original fraction.
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.7>Q 41
Find a natural number whose square diminished by 84 is equal to thrice of 8 more than the given number.
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.7>Q 42

A natural number which when increased by 12 equals 160 times its reciprocal. Find the number.

MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.8>Q 1
The speed of a boat in still water is 8 km/hr. It can go 15 km upstream and 22 km downstream in 5 hours. Find the speed of the stream.
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.8>Q 2
A train, travelling at a uniform speed for 360 km, would have taken 48 minutes less to travel the same distance if its speed were 5 km/hr more. Find the original speed of the train .
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.8>Q 3
A fast train takes one hour less than a slow train for a journey of 200 km. If the speed of the slow train is 10 km/hr is less than that of the fast train, find the speed of the two trains.
MEDIUM
10th CBSE
IMPORTANT
MATHEMATICS CLASS X>Chapter 4 - Quadratic Equations>EXERCISE 4.8>Q 4
A passenger train takes one hour less for a journey of 150 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.