What is the respective speed of two trains of lengths 70 m and 75 m?
A, They take 35 seconds to cross each other when they are running in the same direction.
B. They take 10 seconds to cross each other when they are running in the opposite direction.

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Solution

The correct option is E 5
Using statement A and B independently, we cannot find the speed of the trains. Even using both the two statements together, we get two speeds but we cannot find that which speed corresponds to which train.
Hence, the respective speed of the trains cannot be determined.

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What is the respective speed of two trains of lengths 70 m and 75 m? A, They take 35 seconds to cross each other when they are running in the same direction. B. They take 10 seconds to cross each other when they are running in the opposite direction.

The correct option is E 5Using statement A and B independently, we cannot find the speed of the trains. Even using both the two statements together, we get two speeds but we cannot find that which speed corresponds to which train. Hence, the respective speed of the trains cannot be determined.

What is the respective speed of two trains of lengths 70 m and 75 m?
A, They take 35 seconds to cross each other when they are running in the same direction.
B. They take 10 seconds to cross each other when they are running in the opposite direction.

The correct option is E 5
Using statement A and B independently, we cannot find the speed of the trains. Even using both the two statements together, we get two speeds but we cannot find that which speed corresponds to which train.
Hence, the respective speed of the trains cannot be determined.