KIRATBIRRING KIRATBIRRING

24-01-2022
Mathematics

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2. The mean of 8 numbers is 136.5. The sum of these numbers is (a) 1029 (b) 1209 (c) 1092 (d) 1902.

show the full solving process.

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Bromine67 Bromine67

24-01-2022

Answer:

n=8

Let the sum be x

Now

mean = sum/n

136.5 = x/8

or, 136.5 × 8 = x

so, x = 1092

So, (c)1092 is the correct answer.

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