MathDB
Problems
Contests
National and Regional Contests
India Contests
India Pre-Regional Mathematical Olympiad
2017 India PRMO
8
8
Part of
2017 India PRMO
Problems
(1)
2017 preRMO p8, a pen costs 11 € , a notebook costs 13 €, we have 1000 €
Source:
8/9/2019
A pen costs
11
11
11
€ and a notebook costs
13
13
13
€. Find the number of ways in which a person can spend exactly
1000
1000
1000
€ to buy pens and notebooks.
problem
number theory