The average (arithmetic mean) of two numbers is 'a'=I5, one of the numbers is 10, what is the other? - Prothom Sir | প্রথম স্যার

The average (arithmetic mean) of two numbers is 'a'=I5, one of the numbers is 10, what is the other?

Created: 6 months ago | Updated: 6 days ago

2a+10

2a-10

2(a-10)

10+a

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