Quantitative Aptitude Test 40

Test # 40


1.
The arithmetic mean of the set of observations 1, 2, 3, 4, ... ... , n is :

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Quantitative Aptitude
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Idiom of the Day

wear out one's welcome
to visit someone too long or come back too often so that you are not welcome anymore
My friend has worn out his welcome at our house because he always visits without calling first.

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Element
Element : helium
Symbol : he
Atomic no. : 2
Melting Point (deg c) : -272.2
Boiling Point (deg c) : -268.934
Discoverer : janssen (1868)      .. More >>
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