A takes 2 hours more than B to walk D km. If A doubles his speed then he can make it in 1 hour less than B. How much time does B require for walking D km?

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Question:A takes 2 hours more than B to walk D km. If A doubles his speed then he can make it in 1 hour less than B. How much time does B require for walking D km?

1.D/2 km

2.3hrs

3.4hrs

4.2D/3hrs

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  1. A takes 2 hours more than B to walk D km. If A doubles his speed then he can make it in 1 hour less than B. How much time does B require for walking D km?
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