CTET Solved Paper - RTET Feburary 2011 Paper2
112. In general a book is a solid figure, known as
- Option : D
- Explanation : A book has the shape of a cuboid.
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- Option : C
- Explanation : Let x cubical blocks be required.
Then, volume of x cubical blocks = Volume of cube of side 15 cm
i.e. x x 53 = 153
=> X = (15/5)3 = 27.
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114. The volume and curved surface area of a right circular cylinder are respectively
- Option : B
- Explanation : Volume and curved surface area of a right circular cylinder are Î r2h and 2Î rh respectively.
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- Option : C
- Explanation : 3 occurs four times and 0 only once.
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