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Maths Puzzle
The sum of the two consecutive two digit odd numbers, when divided by 10 becomes a perfect square.How many such a pairs exist ?
Read Solution (Total 4)
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- 79+81=160
which when divided by 10, gives 16 , square of 4.
other possible pair is
19+21=40
when divided by 10, gives 4 which is square of 2.
so 2 pairs are possible.
Pls note that
In case of sum as 90, sum of two consecutive odd numbers will not give 90. - 12 years agoHelpfull: Yes(5) No(1)
- 79+81=160
which when divided by 10, gives 16 , square of 4. - 12 years agoHelpfull: Yes(1) No(0)
- what is the method to solve such questions
- 11 years agoHelpfull: Yes(0) No(0)
- just a nice question to ponder on...
- 11 years agoHelpfull: Yes(0) No(0)
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