If 10a + 10b = 35, what is the average (arithmetic mean) of a and b?
Solution
Correct Answer: Option A
দেওয়া আছে,
10a + 10b = 35
বা, 10(a + b) = 35
বা, a + b = 35/10
বা, a + b = 3.5
a + b এর গড় = 3.5/2 = 1.75
10a + 10b = 35
বা, 10(a + b) = 35
বা, a + b = 35/10
বা, a + b = 3.5
a + b এর গড় = 3.5/2 = 1.75
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