If the mean of four observations is 20 and when a constant C is added to each observation the mean becomes 22 the value of C is –
=> Total of four observations = 4 × 20 = 80 Total of four observations after adding C in observation = 80 + 4C => 22 = (80 + 4C)/4 => C = 2
Six persons G, H, I, J, K and L live in a six storey building such that bottommost floor is numbered as 1 and the floor above it is numbered as 2 and so...
Which of following is/are correct?
Who among the following lives in the same numbered floor and flat?
Who among the following visited city Manali?
Which of the following statement(s) is/are true?
I) Three floors are between A and E
II) B lives on the lowermost floor
...
I has __ pens less than the ___.
Four of the following five are alike in a certain way and hence they form a group. Which one of the following does not belong to that group?
...If C is related to 2015 and F is related to 2019 in a certain way, then G is related to which of the following year?
Who among the following likes Linc?
Who among the following person participates on August 17?