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Something else at which to beat Oxford

http://www.matchdaychat.com/ecard...

from Simon, Sun 18th Nov, 8:40pm

2 comments...

by Neil T - Mon 19th Nov 2007, 12:41am

Please could someone whose mathematical acumen has been less dulled by age than mine offer his/her opinions on the following two questions (with their respective answer options) from this quiz?

1. In how many ways can a team score 22 points in rugby union?

a) 4
b) 5
c) 6

2. A forward weighing 18 stone running at 10mph collides head-on with a fly-half of 10 stone running at 12mph. Assuming no loss of momentum, at what speed is the lighter player knocked back?

a) 5mph
b) 6mph
c) 7mph

by mjb - Mon 19th Nov 2007, 9:44am

Neil T said:
1. In how many ways can a team score 22 points in rugby union?
2. A forward weighing 18 stone running at 10mph collides head-on with a fly-half of 10 stone running at 12mph. Assuming no loss of momentum, at what speed is the lighter player knocked back?

Given the available answers, I reckon that for (1) they're either ignoring drop-goals, or counting them as the equivalent of a penalty, so the answer is 4:
5+5+5+7, 5+7+7+3, 5+5+3+3+3+3, 7+3+3+3+3+3. Unless I've missed a combination.
(2) If you assume that the foward stops dead in the collision, you get an answer of 6, which would seem to be most likely to be the answer required.