This riddle plays with the concept of time. If he was 18 years old two days ago, that means his birthday was yesterday, making him 19 now. Since he will turn 20 this year, he will indeed be 21 next year.
That's possible if "Today" is Jan. 1st., and Jenny has her birthday on Dec. 31. In that case, on Dec. 30 she was 17 years old, on Dec. 31 she turned 18, this year she turns 19, and next year she turns 20.
If a person turns 21 next year, they were born in the year 2002. This is because turning 21 next year means they will be 20 years old this year. Therefore, subtracting 20 from the current year gives us their birth year.
Leap years are usually every four years. They will occur every four years until the year 2096, then the next one after that will be eight years later. So since 2012 is a leap year, the next one will be 2016, followed by 2020, 2024, and so on.
There is no exact answer for this question, since we have no way of knowing when the next leap year will be in any random 63 years. We can make a good guess, though. Since leap year comes about every 4 years, in 63 years, there will be about 15 extra days for leap years. So... (63 years * 365 days/year) + 15 leap year days = 23,010 days 23,010 days/ 7 days/week = 3287.1429 weeks OR 3287 weeks and 1 day
365.... Every year has 365 days except for leap year. Leap year always falls every four years. The next leap year is 2012. A good way to remember when leap year is going to be next is that it always falls on the same years as the Presidential election in The United States, and always in the same year as the Summer olympics.
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December 31st. hmm surely next year he'd be 11, because if 2 days ago he was 9, then this year he'd be 10, then next year 11.... someone tell me I'm being thick? EDIT: No, just looking at the question wrong. The answer is December 31st, but let's use actual years: 2 days ago, in December of 1995, he was 9, and NOW (2 days later), in January of 1996 he is 10 -- correct? The question is how old will he be NEXT year; THIS year, in December of 1996, he will still turn 11, but NEXT year, in December of 1997, he will be turning 12. Key terms are everything, ain't they? :)
The year 2011 was not a leap year, so it had a total of 365 days. Leap years occur every four years, and the most recent leap year before 2011 was 2008, with the next one being 2012. Therefore, 2011 had the standard number of days for a non-leap year.
3rd July
365 days = 1 year X days = 40 years 365 days * 40 years = 1 year * X days 14,500 days*year/1 year = X days 14,500 days
The calendar for the year 2006 will next repeat in 2017. This is due to the way leap years and the days of the week cycle every year. Since 2006 was not a leap year, the same arrangement of days and dates will occur again in 11 years.
It will be 11 years from 2014. 2025 will be the next year that will have the same combination of days and dates as 2014 does. 2020 will also start on a Wednesday, but as it is a leap year, and 2014 isn't, it will have a different combination for most of the year. So the next non-leap year that starts on a Wednesday is 2025.