On the top face of the wooden cube of side 7 cm, hemispherical depressions of radius 0.35 cm are to be formed by taking ... | MCQ 1m | Maths | SuperPadhai

Surface Areas And Volumes > Question

MCQ1 markYear: 2025EasyCBSE Class 10

surface-areas-and-volumeshemispherecube

Question

On the top face of the wooden cube of side 7 cm, hemispherical depressions of radius 0.35 cm are to be formed by taking out the wood. The maximum number of depressions that can be formed is:

Solution

1

Diameter of each depression

= 0.7

cm. On a

7 \times 7

face:

\frac{7}{0.7} = 10

per side. Maximum

= 10 \times 10 = 100

.

+1 mark

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