50, 50, 50 and 50

Aroon says his age is 50 years, 50 months, 50 weeks and 50 days. What age will he be on his next birthday?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem



Aroon says his age is $50$ years, $50$ months, $50$ weeks and $50$ days.

What age will he be on his next birthday?

If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.