google-site-verification: google5db3bc4d7edda0a0.html Brain teasers and puzzles: Practice in the sequences-puzzle 167-By panos kalliantasis google-site-verification: google5db3bc4d7edda0a0.html

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Practice in the sequences-puzzle 167-By panos kalliantasis

 How many 3 digit numbers are exactly divisible by 4?

Try to solve this math problem.

This is a problem in sequences.

The first 3 digit number witch exactly divided by 4 is 100

The last 3 digit number witch exactly divided by 4 is 996

This is an AP

996 = 100 + (n-1)*4

996=100 +4n-4

n =225



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