What 3 odd integers native the set 1,3,5,7,9,11,13,15 that once summed together amounts to to 30? note that any integer have the right to be used more than once.

You are watching: Sum of three odd numbers is 30

Is there any type of possibility to fix these sort of questions with part formulae? keep in mind I have actually gone with the answers for making it with 5 numbers.

Note the all the aspects of the set are odd.

Hence, also if us repeat, us have, w.l.o.g, the adhering to cases

(i) weird \$x\$ + odd \$x\$ + odd \$y\$ = Even+Odd=Odd

(ii) odd \$x\$ + strange \$y\$ + odd \$z\$ = Odd

(iii) weird \$x\$ + odd \$x\$ + strange \$x\$ = Even+Odd=Odd

.... If \$30\$ is even.

I actually remember this concern which is rumored to it is in from an IAS exam and no one might solve it except the topper. That"s in reality a false rumor.

See more: How Many Feet Is 7 Meters To Feet, What Is 7 Meters In Feet

The only means you can acquire \$30\$ is by doing that in a chrischona2015.orgematically incorrect means (by a "trick"), prefer \$7.5+9.5+13=30\$

Other 보다 that, this question just is a bogus question.

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edited Jun 12 "20 in ~ 10:38

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answered Apr 9 "15 in ~ 13:31

Prasun BiswasPrasun Biswas
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