A chocolate for a problem!

Number Theory Level 3

John's father came from a business trip.He bought a chocolate for him.He promised him that if he solved the following problem he would give him the chocolate. "If A+B is odd and A-B is even then 2A is always what?" Can you help him?

Irrational number Odd Even Cannot say

Joshik Sravan by Joshik Sravan , 20, India

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1 solution

Joshik Sravan
May 25, 2015

A+B=odd A-B=even Adding both the equations,we get 2A=odd+even=odd

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Are there any set of integers such that A+B is odd and A-B is even?

rajdeep das - 4 years, 8 months ago

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