15 years ago , the mother's age was twice the daughter's age. If 3 years from now the sum of their ages will be 99, what is the difference between their present age ?
A19 years
B21 years
C23 years
D25 years
A19 years
B21 years
C23 years
D25 years
Related Questions:
Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons.
In row 1, D, A, N and S are seated and all of them are facing south.
In row 2, M, O, R and K are seated and all of them are facing north.
Thus, each person faces another person from the other row.
No one sits to the right of K. Only two people sit between R and K. The one facing O sits second to the right of the one facing K. A sits to the immediate right of S. N sits to the immediate right of A and does not face O. Which of the following represents both people facing each other?