How many seconds are there in a year of 365 days?

How many seconds are there in 365 days if there are 86,400 seconds in a day?

So, the correct answer is 31,536,000 seconds.

Solution -

As, we have mentioned that
1 day = 86,400 seconds
So, 365 days = 86,400 * 365 = 31,536,000 seconds.
Thirty one million five hundred thirty six thousand or three crore fifteen lakh thirty six thousand.

Deep solution -

I think we all know that

• 1 minute = 60 seconds
• 1 hour = 60*60 = 3600 seconds (because, 60 minutes = 1 hour)
• 1 day = 3600*24 = 86,400 seconds (because, 24 hours = 1 day)
• 1 week = 86,400*7 = 604,800 seconds (because, 7 days = 1 week)
• 1 month = 86,400*30 = 2,592,000 seconds (It may be different. We have 30 days in 1 month.)
• 1 year = 86,400*365 = 31,536,000 seconds (It may be different too. Because some years have only 360 days.)

My suggestion -

We got 1 day = 86,400 seconds.
So, suppose, we've got a question.
4 weeks = ?
We know that 1 week = 7 days, so 4 weeks = 7*4 = 28 days.
As, we know 1 day = 86,400 seconds.
So, 28 days = 86,400*28 = 2,419,200 seconds.