Home
Class 14
MATHS
Point A and B are 90 km apart from each ...

Point A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their speeds.

A

25,45

B

20,50

C

30,40

D

35,65

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CO-ORDINATE GEOMETRY

    QUANTUM CAT|Exercise QUESTION BANK|72 Videos
  • FUNCTIONS AND GRAPHS

    QUANTUM CAT|Exercise QUESTION BANK|286 Videos

Similar Questions

Explore conceptually related problems

Places M and N are 90 km apart from each other on a national highway. A truck starts from M and another from N at the same time. If they go in the same direction, then they meet in 9 hours and if they go in opposite directions, they meet in 9/7 hours. The speed of the trucks are O 90 km/hr, 40 km/hr O 40 km/hr, 30 km/hr O 20 km/hr, 60 km/hr O 50 km/hr, 12 km/hr

places A and B are 80km apart from each other on a highway.A car starts from A and other from B at the same time.If they move in the same direction,they meet in 8 hours and if they move in opposite directions,they meet in 1 hour and 20 minutes.Find the speed of the cars.

Two places 'A' and 'B' are 120 km apart from each other on a highway .A car starts from 'A' and another from 'B' at the same time . If they move in the same direction , they meet in 6 hours and it they move in opposite direction , they meet in 1 hour and 12 minutes .Find the speed of each car .

Two laces A and B are 80km apart from each other on a highway.A car starts from A and another form B at the same time.If they move in the same direction they meet each other in 8 hours.If they move in opposite directions towards each other,they meet in 1 hour 20 minutes.Determine the speeds of the cars.

Places A and B are 160 km apart on a highway. One car starts from A and another from B at the same time. If they travel in the same direction, they meet in 8 hours. But, if they travel towards each other, they meet in 2 hours. Find the speed of each car.

Places A and B are 100km apart on a highway. One car starts from A and another from b at the same time.If the cars travel in the same direction at different speeds,they meet in 5 hours.If they travel towards each other,they meet in 1 hour.What are the speeds of the two cars

QUANTUM CAT-ELEMENTS OF ALGEBRA-QUESTION BANK
  1. The sum of two numbers is 8. If their sum is four times their diffe...

    Text Solution

    |

  2. The numerator of a fraction is 4 less than the denominator. If the ...

    Text Solution

    |

  3. Point A and B are 90 km apart from each other on a highway. A car s...

    Text Solution

    |

  4. Priyanka has only 25 paise coins and 50 paise coins in her purse if in...

    Text Solution

    |

  5. Astha has pens and pencils which together are 40 in number.if she has ...

    Text Solution

    |

  6. A father is three times as old as his son. After twelve years, his ...

    Text Solution

    |

  7. Five years ago, A was thrice as old as B and 10 years later, A shall b...

    Text Solution

    |

  8. Astha and Saumya each have certain number of oranges Astha says to Sau...

    Text Solution

    |

  9. A person cover a distance of 760 km partly by train and partly by car....

    Text Solution

    |

  10. A person invested some amount at the rate of 12% simple interest an...

    Text Solution

    |

  11. The solution of the equations (3x-y+1)/(3)=(2x+y+2)/(5)=(3x+2y+1)/(6) ...

    Text Solution

    |

  12. The course of an enemy submarine as plotted on a set of rectangular ax...

    Text Solution

    |

  13. Let a ,b , c be the real numbers. The following system of equations in...

    Text Solution

    |

  14. If the system of equations x-k y-z=0, k x-y-z=0,x+y-z=0 has a nonzero ...

    Text Solution

    |

  15. If a+b+c=13 What is the maximum value of (a-3)(b-2)(c+1)?

    Text Solution

    |

  16. If abcd=81, what is the minimum value of a+b+c+d?

    Text Solution

    |

  17. Which one of the following is correct?

    Text Solution

    |

  18. If a,b,c are distinct positive real numbers, then

    Text Solution

    |

  19. If a, b, c are the distinct positive numbers than (a+b+c)(ab+bc+ac) is...

    Text Solution

    |

  20. If x+y=25 and x^(2)y^(3)+y^(2)x^(3)=25, what is the value of xy?

    Text Solution

    |