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there are N students in a class their class teacher gave them a task of finding the average of the first N natural number each of them missed a different number while adding the average obtained by ea

Asked In: Cognizant 45 Seconds ago
If two lines of regression are perpendicular, then the correlation coefficient r is

(a) 2 (b)

1/2 (c) 0 (d) None of the above

What will be the value of x^(1/2).x^(1/4).x^(1/8)............to infinty.

1- x^2

2-x

3- x^(3/2)

4- x^3

I have a money pouch containing Rs. 700. There are equal number of 25 paise coins, 50 paise coins and one rupee coins.

How many of each are there?

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The two distances(d) will be same. Hence, d= 8*10

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