A train leaves New Delhi railway station at $9 : 00 am$ and reaches Jaipur, which is at a distance of $260 km$ , at $12 : 45 pm$ . The train reaches Alwar, which is at a distance of $150 km$ from New Delhi, at $11 : 30 am$ and stops there for $15 \min$ . The reference point for the motion of the train is

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New Delhi

Jaipur

Alwar

None of the above

answer is A.

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Detailed Solution

A train leaves New Delhi railway station at

9 : 00 am

and reaches Jaipur, which is at a distance of

260 km

, at

12 : 45 pm

. The train reaches Alwar, which is at a distance of

150 km

from New Delhi, at

11 : 30 am

and stops there for

15 \min

. The reference point for the motion of the train is New Delhi.
Motion is the act of changing position from time to time. A place or object used to compare and to determine various physical quantities in motion. The reference point for the motion of the train is New Delhi railway station. This is due to the reason that the distance and time are measured from Delhi. In the above given information, the common point is taken as New Delhi.

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