# Express 37 base 10 in binary.

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**Class: Basic 5**

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**Subject:MathematicsÂ **

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**Topic: Revision**

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**Instruction: Answer the following questions by showing all workings.**

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**1. Express 37 base 10 in binary.**

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**2. The chance of selecting letter â€˜Pâ€™ from the word â€˜PENCILâ€™ is ____________.**

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**3. What is the mean of the given set of numbers: 10, 11,13,11, 9?**

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**4. A ____________ is used in measuring and drawing angles. (a) ruler (b) divider (c) protractor**

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**5. When the sum of two angles equals 90Â°, they are called ___________ angles.**

**(a) supplementary (b) complementary (c) co-interior**

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**6. What is the supplementary angle of 133Â°? (a) 47Â° (b) 43Â° (c) 227Â°**

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**7. Calculate the volume of a cube of side 9cm**

**(a) 81cm^2 (b) 729cm^3 (c) 36cm^2**

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**8. What is the area of a triangle with base 8cm and height 6cm?**

**(a) 48cm^2 (b) 14cm^2 (c) 24cm^2**

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**9. Mention two examples of three dimensional shapes.**

**_____________, ______________**

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**10. The normal body temperature is ____________**