Home
Class 10
MATHS
An aeroplane travelled a distance of 400...

An aeroplane travelled a distance of 400km at an average speed of x km/hr. On the return journey, the speed was increased by 40km/hr.

The nature of roots of the equation, formed in part (iii), is

A

real and equal

B

real and unequal

C

imaginary

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    ICSE|Exercise Assertion and Reason Based Questions|4 Videos

  • PROBABILITY

    ICSE|Exercise EXERCISE 25(C)|106 Videos

  • QUESTION PAPER 2019

    ICSE|Exercise SECTION B |20 Videos

Similar Questions

Explore conceptually related problems

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

A man travels at a speed of 20 Km/hr. and then returns at a speed of 30 Km/hr. His average speed of whole journey is

A car travels the first half of a distance between two places a speed of 30 km/hr and the second half of the distance a 50 km/hr. The average speed of the car for the whole journey is

A train travels at a certain average speed for a distance of 63km and then travels a distance of 72km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is its original average speed?

A train travels at a certain average speed for a distance of 63km and then travels a distance of 72km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is its original average speed?