Home
Class 14
MATHS
A 15m deep well with radius 2.8 m is dug...

A 15m deep well with radius 2.8 m is dug and the earth taken out from it is spread evenly to form a platform of breadth 8m and height 1.5m. What will be the length of the platform ? (Take `pi=22/7`)
2.8 मी त्रिज्या वाला 15 मी गहरा एक कुआँ खोदा जाता है तथा इससे निकली मिट्टी को समान रूप से फैलाकर 8 मी चौड़ाई तथा 1.5 मी ऊंचाई वाला एक चबूतरा बनाया जाता है | इस चबूतरे की लंबाई क्या होगी ?

A

`30.2m`

B

`30.8m`

C

`28.8m`

D

`28.4m`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A 15 m deep well with radius 2.8 m is dug and the earth taken out from it is spread evenly to form a platform of breadth 8 m and height 1.5 m. What will be the length of the platform? 2.8 मीटर त्रिज्या वाला, एक 15 मीटर गहरा कुआं खोदा जाता है और इससे निकली मिट्टी को बराबर करके 8 मीटर चौड़ा और 1.5 मीटर ऊंचा एक चबूतरा बनाया जाता है। इसे चबूतरे की लंबाई क्या है? (pi = 22/7)

A 16 m deep well with diameter 3.5 m is dug up and the earth from it is spread evenly to form a platform 27.5 m by 7 m. Find the height of the platform.

A 20m deep well with diameter 7m is dug and the earth from digging is evenly spread out to form a platform 22m by 14m. Find the height of the platform.

A 21-m-deep well with diameter 6 m is dug and the earth from digging is evenly spead to form a platform 27 m xx 11 m. Find the height of the platfrom.

A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread to form a platform of divisions 22 m xx 14 m. Find the height of the platform.

An 18 m deep well with diameter 7 m is dug and the earth from digging is spread evenly to form a platform 18 m x 14 m.The height of the platform is: 7m व्यास वाला 18 m गहरा एक कुआं खोदा गया है | खुदाई से निकली मिट्टी को 18m x 14m का समतल प्लेटफॉर्म तैयार करने के लिए समान रूप से फैलाया जाता है | प्लेटफॉर्म की ऊंचाई कितनी होगी ?

A well of diameter 2 m is dug 14 m deep. The earth taken out of it is spread evenly all around it to form an embankment of height 40 cm. Find the width of the embankment.

A well with 10m diameter is dug 14m deep. Earth taken out of it is spread all around to form an embankment of width 5m. Find the height of the embankment.