INPT MCPC training III : Mathematics

Problems

Name Solved / Tries Average tries Average tries to solve
A Prime Path 9/11 (82%) 1.22 1.22
B Jackpot 20/48 (42%) 2.18 2.10
C Ignore the Garbage 6/9 (67%) 1.50 1.50
D An Industrial Spy 10/12 (83%) 1.09 1.10
E A List Game 21/41 (51%) 1.78 1.76
F Relatives 12/39 (31%) 3.00 2.92
G Pseudoprime numbers 15/29 (52%) 1.93 1.93
H Divisible Subsequences 5/5 (100%) 1.00 1.00
I Circular Lock 5/10 (50%) 2.00 2.00
J Prime Sieve 10/30 (33%) 2.50 2.80
K Dead Fraction 5/15 (33%) 2.14 2.40
L Chinese Remainder Theorem (non-relatively prime moduli) 3/16 (19%) 4.00 4.33
M Granica 4/10 (40%) 2.50 2.50
N Perfect Pth Powers 19/123 (15%) 5.86 5.58
O Peculiar primes 3/10 (30%) 2.00 2.67
P Factovisors 7/34 (21%) 3.78 3.86
Q Gears in Action 1/3 (33%) 1.50 1.00
R Rasterized Lines 1/10 (10%) 10.00 10.00
S Just A Few More Triangles! 1/2 (50%) 2.00 2.00