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Pl...ask me any difficult question of volume surface area ?

Posted by Science Genius 6 years, 10 months ago

CBSE > Class 10 > Mathematics

5 answers

Science Genius 6 years, 10 months ago

In 2nd ques.- r of pipe=2cm ,length of pipe=7m/sec×30min (length=distance=speed ×time) =(7×30×60×100)cm Now,volume of pipe =volume of tank, ^r2h=^r2h,(^cancel), 2×2×7×30×60×100=40×40×h, h=12600cm, h=126m, is the correct ans.

Science Genius 6 years, 10 months ago

Ans. Of your 2nd ques. will be 31.5 m . Is it correct?

Science Genius 6 years, 10 months ago

Its vry easy u hve to 1st find the area of 1 circle then x(into) 2 and subtract it from area of rectangle.

Anshika / U Can Call Me Alien ????? 6 years, 10 months ago

water is flowing at 7 m/sec through a circular pipe of internal diameter 4 cm into a cylindrical tank the radius of whose base is 40 cm find the increase water level in 30 minutes ??

Anshika / U Can Call Me Alien ????? 6 years, 10 months ago

2 circular pieces of equal radii and maximum area touching each other are cut out from a rectangular cardboard of dimension 14×??7 find the area of remaining cardboard ??

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This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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