Assertion: Rain is falling vertically with a certain speed. A boy holding an umbrella rides a bicycle in east to west direction and does not get wet. Reason: The boy is holding his umbrella (at some angles) with the vertical towards the west.

Assertion: Rain is falling vertically with a certain speed. A boy hold

1.	Assertion: Rain is falling vertically with a certain speed. A boy holding an umbrella rides a bicycle in east to west direction and does not get wet. Reason: The boy is holding his umbrella (at some angles) with the vertical towards the west.
Answer» Solution :Rain is FALLING VERTICALLY with a certain SPEED. The boy rides a bicyle in east to WEST DIRECTION. So to avoid rain he should hold this umbrella in vertical plane at some angle with vertical towards easts.