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Saaransh Goswami

· started a discussion

· 1 Months ago

? (Question: 292713.0 )

Bearing is a sphere and you have applied formula for a cylinder for bearing. Why?

Question:

A steel cylinder of radius 3.5 cm and height 7 cm is melted to form bearings of radius 1 cm and thickness 8.75 mm. How many such bearings can be made?

Options:
A)

55

B)

47

C)

100

D)

98

Solution:

Ans: (d)

  

Sudesh Kumar

· commented

· 1 Months ago

they have given thickness i.e hieght, so i think sol is correct

Vijay Sharma

· commented

· 1 Months ago

same doubt bro... what's happening here ???
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