Maths Olympiad Prep

Library / UKMT Pink Kangaroo /181 of 220

UKMT Pink Kangaroo, 2025

Number theory Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

Sami and Parnika are celebrating their birthday today. Sami notices that 119\frac{1}{19} of Parnika's age is equal to 117\frac{1}{17} of his age. The sum of their ages is greater than 40 and less than 100. How old is Parnika?

(A) 1919 (B) 3434 (C) 3838 (D) 5757 (E) 7676

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.
Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.