Question
The average age of a group of 10 students is 30 years.
Two persons of age 12 years and 10 years, left the group and 2 persons of age 20 years and 12 years, joined the group. Find the new average age of the group.Solution
Required average = {(10 × 30) – 12 – 10 + 20 + 12}/10 = 31 years
Who among the following lives just below of the floor of Y?
How many boxes are placed above B?
Which among the following combination is true regarding A?
On which floor and in which flat does G lives?
Who among of the following likes Continental?Â
Which of the following box is kept just above the box L?
Which among the following is true regarding G?
Which among the following groups is working in Reliance?
Which of the following statement is/are true?
I)Â Only three boxes are kept between V and U
II) Box Q has kept immediately above ...
Which of the following statement(s) is/are true?
I)Â Three floors are between A and E
II)Â B lives on the lowermost floor
II...