Question
The average of 10 observations is 60. It was realized
later that an observation was misread as 39 in place of 93. The correct average is:Solution
The average of 10 observations = 60 Total of 10 observations = 60×10 = 600 Misread number = 39, right number = 93 By mistake difference in number = 93-39= 54 Now a correct total of 10 observations = 600+54= 654 Average = 654/10 = 65.4
Who among the following is brother-in-law of M?
How is F related to A’s child in ‘A@B$C@D#E$F’?
How is P related to the mother of R?
R is the brother of S. S is mother of U. T is sister of U, who is the son of V. How is S related to T?
How is P related to M’s son?
How is Umang related to Nisha?
How is U related to V?
‘A + B’ means 'A is mother of B’, ‘A – B’ means 'A is brother of B', ‘A ÷ B’ means 'A is father of B’, ‘A × B’ means 'A is h...
Answer the questions based on the information given below.
There are seven persons- R, S, T, U, V, W, and Y in a family of three generations. N...
How many females members are there in the second generation?
Relevant for Exams:
