brstorewala wrote:

1) A student has to select 3 subjects out of 6 subjects A, B, C, D, E and F. If he

has already chosen E, what is the probability that he will choose B also?

(1) 0.2

(2) 0.25

(3) 0.4

(4) 0.8

2) What is the radius of the inscribed circle to a triangle whose sides measure

21cm, 72cm and 75cm respectively?

(1) 9 cm

(2) 37.5 cm

(3) 28.5 cm

(4) 14.5 cm

bhavesh

I will try to deal with #2 Logically

(if it works)

But can a triangle with a side of 21 have a circle inscribed into it with a radius more than 10.5? (which by itself is pushing the limits)...

So it would be 9, without calculations.

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