Home
Class 10
MATHS
A petrol tank is in the form of a frustu...

A petrol tank is in the form of a frustum of a cone of height 20 m with diameters of its lower and upper ends as 20 m and 50 m respectively. Find the cost of petrol which can fill the tank completely at the rate of Rs. 70 per litre. Also find the surface area of the tank

Text Solution

Verified by Experts

The correct Answer is:
`2750 m^(2)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NEW TYPOLOGIES INTRODUCED BY CBSE FOR BOARD 2021-22 EXAM

    OSWAL PUBLICATION|Exercise UNIT-VI MENSURATION (CHAPTER 13 - SURFACE AREAS AND VOLUMES) (SELF ASSESSMENT)|4 Videos

  • NEW TYPOLOGIES INTRODUCED BY CBSE FOR BOARD 2021-22 EXAM

    OSWAL PUBLICATION|Exercise UNIT-VII STATISTICS AND PROBABILITY (STATISTICS) |1 Videos

  • NEW TYPOLOGIES INTRODUCED BY CBSE FOR BOARD 2021-22 EXAM

    OSWAL PUBLICATION|Exercise UNIT-VI MENSURATION (CHAPTER 12 - AREAS RELATED TO CIRCLES) (SELF ASSESSMENT)|3 Videos

  • MAT STAGE I 2019-2020

    OSWAL PUBLICATION|Exercise QUESTION PART |100 Videos

  • NTSE 2019 -20

    OSWAL PUBLICATION|Exercise Probability Stage -2|1 Videos
Home
Profile