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Length of train (distance) =540m. Speed =72km/h =72×5/18=20m/sec. Time =540/20 =27 sec.
The sum of the ages of two persons is 60 years. In 5 years, the ratio of their ages will be 4:5. Find their present ages.
Present ages of 'A' and 'B' are in the ratio 3:5, respectively. If B's age, 14 years hence from now will be 2 times of A's age, 8 years ago from now, th...
The ratio of the ages of A and B is 3:5. After 5 years, the ratio will be 7:11. Find the present age of B.
The present age ratio of Anshul to Pawan is 5:7, and that of Chinky to Diksha is 3:2. A decade ago, the ratio of Anshul’s age t...
The respective ratio of the present ages of A and B is 5:6. The present age of C is 20% more than that of B. The sum of the present ages of A, B and C i...
The average age of the husband, wife, and their child 4 years ago was 24 years and that of the husband and the child 5 years ago was 19 years. The pres...
The ages of A and B are in the ratio 5:7. If the sum of their ages is 72 years, what will be A's age after 6 years?
The present age of A is 5/3 times to that of his marriage age. Present age of his brother is 1/3rd of his present age. If A was married 36 years ago the...
The present age of A is 7/4 times to that of his marriage age. Present age of his brother is 1/4th of his present age. If A was married 36 years ago the...