Science Challenge

Challenge of the Week: The Diwali Bridge Dash Before the Torch Dies

It is the night of Diwali, the diyas are flickering out, and the Sharma family is hurrying home from the mela.
Four members of the Sharma family must cross the narrow bridge at night.
Because it is dark, anyone crossing must carry the torch — nobody can cross without it.
Each person walks at a different fixed pace.
- Chintu (the youngest): 1 minute - Bablu: 2 minutes - Uncle: 7 minutes - Dadi (grandmother): 10 minutes

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