Question
The average age of three ladies is 30 years and their
ages are in the ratio of 4: 6: 8. The age of the youngest lady is:Solution
ATQ, Let's denote the ages of the three ladies as 4x,6x and 8x, where (x) is positive constant Then, the average age is given by the sum of ages divided by the number of people, 30 = (4x+6x+8x)/3 On solving for 'x',  we get x= 5, Therefore age of the youngest lady is 4x = 4×5 = 20 yrs.
How many persons sitting between D and C?
Who among the following stands third to the right of H?
Which one of the following combination is false?
If Z is at extreme right end, then how many persons are sitting Z and H?
Which of the following statement is correct?
If O sits third to the right of F then how many persons are sitting between O and J?
Which of the following is true?
How is U related to Q?
What is the position of O with respect to D?
How many seats are between M and S when counted from the left of S?
