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anil mandal

· started a discussion

· 1 Months ago

INSUFFICIENT EXAPLANATION (Question: 388298.0 )

WHEN WE WANT TO FIND THE VOLUME OF OIL , H0W COULD YOU SAY THAT WE HAVE TO TAKEN THE HEIGHT AE(10/3) .
CLEARLY, WE CAN SEE THE HEIGHT OF OIL LEVEL IS 4/3.

CAN YOU EXPLAIN THIS QUES AGAIN CLEARLY?

Question:

An inverted right circular cone has a radius of 5 cm. This cone is partly filled with oil which is dipping from a hole in the tip at the rate of π/3 cm3/hour. Currently the level of oil is 2 cm. from top and base area of oil is 4 π cm2. How long will it take the cone to be completely empty  –  

Options:
A)

100 hrs.

B)

\({250\over 3}\)  hrs.

C)

\({250\pi \over 3}\)   hrs.

D)

100π hrs.

Solution:

Ans: (b)

  

ASIM DEBNATH

· commented

· 1 Months ago

2+ 4\3 = 10/3

meera

· commented

· 1 Months ago

Yet to be approved!

Knowledge Expert

· commented

· 1 Months ago

Here ambiguous case, Not mention time taken by whole cone to empty or time required to empty cone if it fill with oil.. we will be fixed it's ambiguity as soon as possible.

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