Maths Quiz 1 Answers

1).  There were six people at the meeting. Each person shook hands five times, but that makes for fifteen handshakes, not thirty, since each shake was shared by two people.

2).  22cm

3).  eg    2     9    4    but there are others.

             7     5    3

             6     1    8

4). 20 years old

5). 1)  3 full, 1 half       2) 2 full, 3 half        3)  2 full, 3 half 

6). Fill up the 4, pour it into the 7, refill the 4, pour as much as possible into the 7 leaving 1 in the 4, empty the 7, pour the 1 into the 7, fill the 4, add it to the 1.

7). Bob can dig one third of a ditch in 1 day and two thirds in 2 days, Bill can dig one sixth of a ditch in 1 day and two sixths in 2 days (2/6 = 1/3 and 2/3 + 1/3 = 1)

8). 2 gallons (16 pints)        

9). 202.5 degrees

10). Tea costs 90p; Coffee costs £1.50