Home
Class 7
MATHS
The cost of 30 mangoes is less then c...

The cost of 30 mangoes is less then cost of 40 mangoes by Rs 50. Find the cost of 50 mangoes in (Rs) 400 (b) 300 250 (d) 350

A

400

B

300

C

250

D

350

Text Solution

Verified by Experts

The correct Answer is:
C

Let the cost of each mango be Rs x.
`rArr 40x - 30x = 50`
`rArr 10x = 50 rArr x = 5`
`therefore "Cost of 50 mangoes" = 50 xx Rs 5 = Rs. 250.`
Hence, the correct option is (c).
Promotional Banner

Topper's Solved these Questions

  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 3)|30 Videos
  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS (TEST 1)|12 Videos
  • RATIO AND ITS APPLICATIONS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL 1)|33 Videos
  • NUMBER SYSTEM

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TESTS|24 Videos
  • Set theory

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST Test 2|12 Videos

Similar Questions

Explore conceptually related problems

The cost of 30 mangoes is less then cost of 40 mangoes by Rs 50. Find the cost of 50 mangoes in (Rs) (a)400 (b) 300 (c)250 (d) 350

The cost of 30 mangoes is Rs. 150. What is the cost of 60 mangoes (in Rs)?

If the cost of 15 mangoes is Rs 180, then what is the cost of 25 mangoes? 220 (b) 360200 (d) 300

If the cost of 15 mangoes is Rs 180, then what is the cost of 25 mangoes (in Rs)?

The cost of 1 dozen pens is Rs. 24. Find the cost of 30 pens.

The cost of 3 pens is Rs. 30, then the cost of 2 pens is Rs. 20.

If the cost of a pen is rs. 32.50, find the cost of 24 such pens.

PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-CONCEPT APPLICATION (LEVEL 2)
  1. The simple interest for Rs 1500 at 8% per annum for 3 years is Rs 4...

    Text Solution

    |

  2. Calculate the amount on Rs. 20000 at 5% per annum for 5 years under si...

    Text Solution

    |

  3. What distance will a body cover in 20 s travelling at 50 m/s?

    Text Solution

    |

  4. Twelve persons can do a piece of work in 20 days. How many persons are...

    Text Solution

    |

  5. Sahil takes 1 h to travel from his house to a market. If his speed is ...

    Text Solution

    |

  6. The cost of 30 mangoes is less then cost of 40 mangoes by Rs 50. Fi...

    Text Solution

    |

  7. If the simple interest on a certain sum for 2 years at the rate of 5...

    Text Solution

    |

  8. Nikhil is twice as efficient as Anil Nikhil takes 30 days to complete ...

    Text Solution

    |

  9. A gold smith can make three necklaces in 5 days. How many neckleces ...

    Text Solution

    |

  10. 12. A train of length 200m crosses a platform of length 100m in 12 sec...

    Text Solution

    |

  11. A train travelling at 90 km/h crosses a pole in 8 s. Find the length o...

    Text Solution

    |

  12. A can do a piece of work in 16 days and B can do the same work in 20 d...

    Text Solution

    |

  13. In how many years will a certain sum become 3 times itself at 25% p...

    Text Solution

    |

  14. Calculate the amount on Rs. 25000 at 8% per annum for 6 years under si...

    Text Solution

    |

  15. A trader purchased a bicycle for Rs 2500 and sold at Rs 2700. His p...

    Text Solution

    |

  16. Akhil scored 62, 70, 56, 85, 77, and 70 marks in six different subject...

    Text Solution

    |

  17. If (25p + 14q)/(5p + 7q) = (8)/(3) then find p:q.

    Text Solution

    |

  18. The present ages of Renu and Ravi are in the ratio 5: 6. The sum of...

    Text Solution

    |

  19. If 343 is the third proportional of a and b, where a:b = 1:7, then fin...

    Text Solution

    |

  20. If a:b = 4:5 and b:c = 2:3, then a:c=.

    Text Solution

    |