Puzzles 4U...Mathmatica

Puzzles 4U...

Mathmatica

Q01

A long train, half a kilometer long, is about to enter a long tunnel. The tunnel is 10k long. If the speed of the train is 35kph, how long will it take for the whole train to pass through the tunnel? From the front of the train entering to the end train leaving the tunnel. Answer

Q02

A cricketer's average in his first 18 innings was 16.5 runs. After A further 8 innnings, his average had increased to 32.5 runs. What was his average for the last 8 innings? Answer

Q03

A petrol tanker drives along at a steady 30kph. At the moment it began to move, someone put a hole in the petrol tank and ignited the petrol. The flames are following it at a speed of 25kph. After 26k it stops. How long before the flames reach it? Answer

Answers

A01
The train takes 18 minutes. Back

A02
His average was 68.5 runs. Back

A03
10 minutes and 24 seconds. Back

This page was last modifed on 20 September 1997.

	Puzzles 4U...

	Mathmatica
	Q01 A long train, half a kilometer long, is about to enter a long tunnel. The tunnel is 10k long. If the speed of the train is 35kph, how long will it take for the whole train to pass through the tunnel? From the front of the train entering to the end train leaving the tunnel. Answer
	Q02 A cricketer's average in his first 18 innings was 16.5 runs. After A further 8 innnings, his average had increased to 32.5 runs. What was his average for the last 8 innings? Answer
	Q03 A petrol tanker drives along at a steady 30kph. At the moment it began to move, someone put a hole in the petrol tank and ignited the petrol. The flames are following it at a speed of 25kph. After 26k it stops. How long before the flames reach it? Answer

	Answers
	A01 The train takes 18 minutes. Back
	A02 His average was 68.5 runs. Back
	A03 10 minutes and 24 seconds. Back


	This page was last modifed on 20 September 1997.