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Multiple Choice Question with Two or More Choices Correct
The escape velocity from a planet depends upon
(a) the mass of the body
(b) the mass of the planet
(c) the average radius of the planet
(d) the average density of the planet

Chemistry

True or False :
Aluminium chloride is a Lewis acid because it can donate electrons.

Mathematics

A fair coins is tossed repeatedly. If the tail appears on first four tosses, then the probability of the head appearing on the fifth toss equals

(a)	1/2	(b)	1/32
(c)	31/32	(d)	1/5

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