Question
A is younger than B by 5 years. If the ratio of A and B
ages is 7:8 respectively, then find the age of A.Solution
If B’s age be x years, then A’s age be (x - 5) years. According to question, => (x – 5)/x = 7/8 => 8x – 40 = 7x => x = 40 Therefore A's age = 40 – 5 = 35 years
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 20 seconds while train N having the length (x + 30) metres crosses the same plat...
Train A running with a sped of 126 km/h crosses a vertical pole in 22 seconds. Speed of train A is 6 m/s less than speed of train B, and length of train...
A goods train leaves a station at a certain time and at a fixed speed. After 11 hours, an express train leaves the same station and moves in the same di...
A train 275 metre long takes 30 sec to cross a man running at a speed of 3 km/hr in the direction opposite to that of train. What is the speed of the tr...
Gatiman express train crosses a platform in 45 seconds while it can cross a pole in 20 seconds. If the speed of the Gatiman express is 40 m/s, then find...
A train passes an electrical pole in 18 seconds and passes a platform 350 m long in 60 seconds. Find the length of the train.
How many seconds will a train 68 m in length, travelling at the rate of 40 km an hour, take to pass another train 92 m long, proceeding in the same dire...
- A train crosses a 360-metre-long platform in 24 seconds, and the same train crosses a tunnel 50% longer than the platform in 33 seconds, then find the spee...
A 180 m long train crosses another 320 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 9 seconds, w...
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
