Question
Find the variance of the numbers 13, 16, 22,
17.Solution
Find the Mean : Add all the numbers and divide by how many there are: 
Find Differences from the Mean : Subtract the mean from each number and square the result: 
Find the Average of the Squared Differences: Add these squared differences and divide by the number of values:
How many such consonants are there in the above arrangement each of which is immediately followed by a consonant and also immediately preceded by a symbol?
Select the term that is different from the other options.
Which of the following element is exactly in the middle of third element from the right end and the tenth element from the left end of the arrangement?
Select the letter combination of letters that when placed sequentially in the blanks of the given series will complete the series.
4 _ _ 7 _...Select the option that represents the letters that when placed from left to right in the blanks below will complete the given letter series.
L...
The code “wof” represents recommendation of the following word?
Select the option that represents the letters that when placed from left to right in the blanks below will complete the letter series.
U F F...In the given series, how many numbers are immediately preceded by a symbol?
% 9 # V # U 9 H Z + X @ O C 7 J % L $ 6 @ 4 % 6 F 5 & 8 D A $
If all the words are arranged according to the alphabetical series from right to left, then which word is third from the left end?
The largest unit of storage is
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