If a is even and b is odd numbers, then which of the following is even?

Options
- a/b
- ab
- a+b
- a-b

CORRECT ANSWER : ab

Discussion Board
solution

we take a=4(even no.) and b=5(odd no.) then , which of the following is Even?

1)a/b => 4/5 =>0.8(float no)
2)ab => 4*5 =>20(even no)
3)a+b => 4+5 =>9(odd no)
3)a-b => 4-5 =>-1(integer no)

Hence , option- 2 is correct [i.e ab]


GOPIREDDY SIMHADRI 02-18-2018 12:32 AM

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