J P Mohindru and Bharat Mohindru Solutions for Chapter: Quadratic Equations, Exercise 9: EXERCISE
J P Mohindru Mathematics Solutions for Exercise - J P Mohindru and Bharat Mohindru Solutions for Chapter: Quadratic Equations, Exercise 9: EXERCISE
Attempt the free practice questions on Chapter 4: Quadratic Equations, Exercise 9: EXERCISE with hints and solutions to strengthen your understanding. Modern's abc+ of Mathematics for Class 10 solutions are prepared by Experienced Embibe Experts.
Questions from J P Mohindru and Bharat Mohindru Solutions for Chapter: Quadratic Equations, Exercise 9: EXERCISE with Hints & Solutions
The speed of a boat in still water is . It can go upstream and downstream in hours. If the speed of the stream is , then find the value of .

A passenger train takes hours less for a journey of , if its speed is increased by from its usual speed. If its usual speed is , then find the value of .

A train travels at a uniform speed. If the speed had been more, it would have taken less for the same journey. If the original speed of the train is , then find the value of .

A train covers a distance of at a uniform speed. Had the speed been more, it would have taken minutes less for the journey. If the original speed of the train is , then find the value of .

A motorboat whose speed is in still water, goes downstream and comes back in a total time of hours minutes. If the speed of the stream is , then find the value of .

A motorboat whose speed is in still water, takes hour more to go upstream than to return to the same point. If the speed of the stream is , then find the value of .

The distance between Mumbai and Pune is . Travelling by Deccan Queen, it takes minutes less than another train.If the speeds of the two trains differ by . And if the speed of the Deccan Queen is , then find the value of .

An aeroplane left minutes later than its scheduled time, and in order to reach the destination, away in time, it had to increase its speed by from its usual speed. If the original speed of aeroplane is , then find the value of .
