If a and b are both even numbers, which of the following COULD be odd integer?
A
(a+1)2 + (b+1)2
B
[(a+1)*(b+1)]-1
C
(a+1)/(b+1)
D
none of these
Correct Answer: (a+1)/(b+1)
এখানে, a ও b even number. <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∴</mo></math> (a + 1) ও (b + 1) odd numbers <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo> </mo><mo>∴</mo></math> <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mi>a</mi><mo> </mo><mo> + </mo><mn>1</mn><mo> </mo></mrow><mrow><mi>b</mi><mo> </mo><mo> + </mo><mn>1</mn></mrow></mfrac></math> একটি odd সংখ্যা [ <math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>∵</mo></math> <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mi>O</mi><mi>d</mi><mi>d</mi><mo> </mo><mtext>সংখ্যা </mtext></mrow><mrow><mi>O</mi><mi>d</mi><mi>d</mi><mo> </mo><mtext>সংখ্যা</mtext></mrow></mfrac></math> = Odd সংখ্যা]