Question
Find the value of 'a' in the given data if the mean of
the given data is 18. 12, 15, 20, 17, 19, 14, 21, a, 13, 16Solution
Sum of each term of given data = 10 × 18 = 180 So, 12 + 15 + 20 + 17 + 19 + 14 + 21 + a + 13 + 16 = 180 Or, 147 + a = 180 Or, 'a' = 33 Hence, option C.
How many boxes are kept above the box with Grapes?
How many people live between the floors on which S and X live?
Four of the following five are alike in a certain way based on the given arrangement and thus form a group. Which is the one that does not belong to tha...
Six persons A, B, C, D, E, and F live in a building of six-floors such that the bottommost floor is numbered as 1 and the topmost floor is numbered as 6...
Who lives two floors above the floor on which S lives?
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
17, 21, 46, 52, 101, ...
Who among the following persons is/ are living in Flat A?
I) A
II) B
III) H
IV) F
Which of the following given pair is different from rest?
Who among the following live on the even floor?
I. R
II. N
III. O
Who among the following person lives immediate above flat of G?
