Maths Trail Solutions
324
- 220cm
- 20
![](solns_files/q3xn.jpg)
- 90-100
- 120
- 140-150
- Either
6
or 3
![q5](solns_files/q5yn.jpg)
- 400
- £800
![q6](solns_files/q6xn.jpg)
- 8th May 1778
- 6th March 1854
- 75 (He was born in 1778 and celebrated his last birthday in 1853.)
![q7](solns_files/q7yn.jpg)
- Hexagon
- 120 degrees
- 3
69
8
1hour and 18 minutes
300-600
![q12](solns_files/q12xn.jpg)
- 36
- Even, square and triangular
- 4 is an example of an even square number,
1 is square and triangular,
and 6 is even and triangular.
1771 is a palindrome (did you know that all
4 digit palindromic numbers are divisible by 11?)
16+10 at 10am,
4+8+12 between 10am and 11am
16+11 at 11am
for a total of 77.
![q15](solns_files/q15yn.jpg)
- 8
- octagon
7+4/7
![q19](solns_files/q19yn.jpg)
- 4m
- 14-16m
1666
15 degrees
![q22](solns_files/q22yn.jpg)
- 2/3
- 0.6666
Shaheens: £12 per litre
San Marco: £9 for 75cl=£12 per litre
- 32 including congestion
![q25](solns_files/q25yn.jpg)
- 12
- 145
- 145
- 26a: 4*92, 182, count the "L" shapes starting at the
corners: 1+3+5+7+...+17=182 (the property of adding
consectutive odd numbers to make a square always works)
- 324, but cannot make a square.