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From a solid right circular cylinder of ...

From a solid right circular cylinder of length 4 cm and diameter 6 cm, conical cavity of the same height and base is hollowed out. The whole surface of the remaining solid (in, square cm) is
4 सेमी लंबाई और 6 सेमी व्यास के एक ठोस लम्ब वृत्तीय बेलन से, समान ऊंचाई ओर आधार के शंक्वाकार छिद्र कर निकाल लिया जाता है। तो शेष ठोस का (वर्ग सेमी में) सम्पूर्ण पृष्ठ क्षेत्रफल हैः

A

`48 pi`

B

`15 pi`

C

`63 pi`

D

`24 pi`

Text Solution

Verified by Experts

The correct Answer is:
A
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