Mathematics · Mensuration
A decorative toy is made up of a solid cube with an inverted hemisphere surmounted totally on its top. The edge of the base cube is 5 cm and the circular base of the hemisphere fixed on the top has a diameter of 4.2 cm. If the entire surface of the toy is to be painted at the rate of Rs. 2 per cm 2 , the approximate cost of painting is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rs. 364
- 2Rs. 348
- 3Rs. 340
- 4Rs. 328✓
Correct answer
Rs. 328
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