quantitative aptitude test 107

Test # 107

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1.
The value of cos 20 + cos 40 +cos 60+ ......+ cos 160 + cos 180 is:

Quantitative Aptitude
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throw the book at (someone)
to punish someone severely for breaking a rule or the law
The judge threw the book at the man after he was convicted of robbing a bank.
More Idioms ...

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Misuse of one and parts of one with the singular

Don't Say:
I read it in one and a half hour.

Say:
I read it in one and a half hours.

Note:
In English, use the plural with anything greater than one, even it it's less than two.
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