যদি x+5y=16 এবং x=3y হয় তাহলে y= কত?

A 2

B -2

C -3

D 3

Solution

Correct Answer: Option A

দেওয়া আছে, x = 3y

এবং x + 5y = 16

⇒ 3y+5y= 16

⇒ 8y = 16

⇒ y = 2 

 

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