If positive integers x and y are not both odd, which of the following must be even?

If positive integers x and y are not both odd, which of the following must be even? ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Ashraful Islam

x+y

x-y

x+y-1

0 9

Institution: Modhumoti Bank Ltd Exam: Modhumoti Bank ltd. - Probationary Officer - 21.04.2017
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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If positive integers x and y are not both odd, which of the following must be even? ?

He is blessed ——good health.

The average age of the 20 aspirants of a class is 19.2 years. After some time two more aspirants join them and then average is increased by 0.3 years. Find the difference between the age of new aspirants .

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