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Question 1
The modulus-amplitude form of 
where 
is
where is
Question 2
Express 53 in binary system
Question 3
In how many ways can 17 blue pens and 14 black pens be arranged in a row so that no two black pens are together?
Question 4
An urn contains 9 red, 7 white, and 4 black balls. A ball is drawn at random. Find the probability that the ball is drawn is not white.
Question 5
If x, 3/2, z are in AP; x, 3, z are in GP; then which one of the following will be in HP?
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Tags :
CDS & DefenceMathematicsAug 3CDS & Defence
