The second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ?
The correct answer is B
A ball is thrown from a height of 900 m on the ground. It bounces (2/3) times of its every last bounce. Find the total distance covered by the ball ti...
If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true?
a. p is a perfect cube
nth term of an AP is 0. If AP is 63, 60, 57…, then find the value of n.
‘479385A267’ is ten-digit number which is divisible by 9, what is the value of ‘A’?
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now whi...
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
The sum of the first 10 terms of an arithmetic sequence is 60 and the 10th term is 5. What is the first term of the sequence?
Find the sum of geometric progression, 40, 20, 10, 5, …..
