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How many multiples of 3 are there between 10 and 90, inclusive?

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Junior | Next Rank: 30 Posts
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Re: How many multiples of 3 are there between 10 and 90, inclusive?

by r3shabh » Fri Sep 11, 2020 2:33 pm
sequence = 12,15,18...87,90
total terms between 0 &90 divisible by 3 = 90/3 =30
terms less than 10 which are divisible by 3 = 3

terms between 10 &90 divisible by 3 = 30-3 = 27
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