If the distance between the two point charges become half then force between them becomes

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#Question id: 14854

#Section 1: Engineering Mathematics

If the sum of the mean and the variance of a Binomial distribution for 5 trials is 1.8 find the distribution.

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#Question id: 14855

#Section 1: Engineering Mathematics

For a Binomial distribution, the mean is 6 and the standard deviation is 2 . The Binomial distribution is 

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#Question id: 14856

#Section 1: Engineering Mathematics

If 3 squares are chosen at random on a chess board the probability that they should be in a diagonal line is

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#Question id: 14857

#Section 1: Engineering Mathematics

A man has 9 friends (4 men and 5 women). In how many ways can he invite them, if there have to be exactly 3 women in the invitees ?

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#Question id: 14858

#Section 1: Engineering Mathematics

Given two events A and B and P(A) = 1/4, P(B/A) = 1/2, P(A/B) = 1/4. Which of the following is true?

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#Question id: 14859

#Section 4: Fundamentals of Biological Engineering

Liquid from a brewery fermenter can be considered to contain 10% ethanol and 90% water. 50000 kg h-1 of this fermentation product are pumped to a distillation column on the factory site. Under current operating conditions a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate one-tenth that of the feed.

 What is the composition of the waste 'bottoms' from the still?