Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?
A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:
Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present?
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:
A. 12 years B. 14 yearsC. 18 years D. 20 years
At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present ?
Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7 : 9, how old is Sachin?
The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
Ayesha's father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?
Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?
In what time a sum will double itself at 20% per annum rate of interest?
A 130m long train crosses a bridge in 30 seconds at 45 kmph. The length of the bridge is
By selling an article at some price a person gains 10%. If the article is sold at twice of the price, the gain percent will be
The ratio of the redius and height of a cone is 5 : 12, respectively. Its volume is 23147cc. Find its slant height.
27 students took part in a debate of a college. What is the probability that at least 3 of them have their birth days in the same month?