A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be
Six years from now, the average of Mano’s age that time and Nita’s age that time will be 29 years. Five years ago, if the ratio of Mano’s age to the Nita’s age that time was 11:7, what is Nita’s present age ?
In how many way the letter of the word "APPLE" can be arranged
In how many ways can the letters of the CHEATER be arranged