The volume of a rectangular block of ...

The volume of a rectangular block of stone is 10368 dm3. Its dimensions are in the ratio of 3 : 2 : 1. If its entire surface is polished at 2 paise per dm2, then the total cost will be (a) Rs 31.50 (b) Rs 31.68 (c) Rs 63 (d) Rs 63.36

A

Rs. 31.50

B

Rs. 31.68

C

Rs. 63

D

Rs. 63.36

Text Solution

Verified by Experts

The correct Answer is:

D

Doubtnut Promotions Banner Desktop Dark

Doubtnut Promotions Banner Mobile Dark

|

Topper's Solved these Questions

VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID
S CHAND IIT JEE FOUNDATION|Exercise UNIT TEST - 5|20 Videos
VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID
S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK - 23|30 Videos
TRIANGLES
S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet - 18|10 Videos

S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA OF A CUBE AND A CUBOID-SELF ASSESSMENT SHEET - 23

The volume of a rectangular block of stone is 10368 dm3. Its dimens...
02:20
|
The volume of a cuboid is twice that of a cube. If the dimensions o...
00:54
|
The edges of a cuboid are in the ration 1:2:3 and its surface ara is 8...
03:39
|
A small indoor greenhouse (herbarium) is made entirely of glass panes ...
01:52
|
Two cubes each with 14 cm edge are joined face to face, thus farming a...
02:57
|
A rectangular room measures 10 m xx 10 m xx 5 m. What is the maximum l...
03:16
|
A godown measures 40 m xx 25 m xx 10 m . Find the maximum number o...
03:40
|
A solid cube of side 12 cm is cut into eight cubes of equal volume. Wh...
03:37
|
A metallic sheet is of the rectangular shape with dimensions 48 c m...
02:57
|
The volume (in my) of a cube whose diagonal is 2.5 metre, is :
03:12
|