Aruna and Radha start their journey from two different places A and E. Aruna chose the path from A to B then to C, while Radha chose the path from E to D then to C. Find who travelled more and by how much?

Places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time at different speeds. If the caras travel in the same direction, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars?

Places A and B are 150 km apart on a highway. One car starts from A and another from B at the same time at different speeds. If the cars travel in the same direction, they meet in 6 hours. If they travel towards each other, they meet in 2 hours. What are the speeds of the two cars?

Places A and B are 120 km apart on a highway. One car starts from A and another from B at the same time at different speeds. If the cars travel in the same direction, they meet in 1 hour. If they travel towards each other, they meet in 2 hours. What are the speeds of the two cars?

Two equal, straight strips of two different metals are fastened together parallel to each other, a small fired distance d apart to form a bimetallic strip. Find the radius of curvature of the bimetallic strip when it is heated from 0^(@)C" to "t^(@)C .

A man running round a race course note that the sum of the distances of two flag posts from him is 8 meters. The area of the path he encloses in square meters if the d is t a n c e between the flag posts is 4 is

A gas bubble from an explosion under water, oscillates with a period proportional to P^a rho^b E^c where p is the state pressure, rho is the density of water and is the total energy of the explosion. Find the values of a, b, and c.