Punjab Police Department Papers - 2019 Multiple Questions and Answers.
Exercise Questions ::
Punjab Police Department Papers
51. | A man can do a piece of work in 5 days but with the help of his son he can do it in 3 days. In what time can the son do it alone? |
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| A. | 7.5 days |
| B. | 6.5 days |
| C. | 5.5 days |
| D. | 4.5 days |
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Published by:Michael Daani
Published by:Michael Daani
53. | Why is the Ozone important for mankind? |
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| A. | Protection from UV rays of sun |
| B. | It releases oxygen in the air |
| C. | It maintains temperature of the earth |
| D. | It releases hydrogen in the atmosphere |
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Published by:Michael Daani
Published by:Michael Daani
Published by:Michael Daani
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