# the average of 11 numbers is 10.9. if the average of first six is 10.5 and that of the last six is 11.4 the sixth number is?

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## The average of 11 numbers is 10.9 . If the average of the first six is 10.5 and the average of last six is 11.4 , find the middle (sixth) number.

Click here👆to get an answer to your question ✍️ The average of 11 numbers is 10.9 . If the average of the first six is 10.5 and the average of last six is 11.4 , find the middle (sixth) number.

Question

## The average of 11 numbers is 10.9. If the average of the first six is 10.5 and the average of last six is 11.4, find the middle (sixth) number.

**A**

## 11

**B**

## 10.6

**C**

## 11.5

**D**

## 10.45

Hard Open in App

## The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?

A. 11.0 B. 11.3 C. 11.4 D. 11.5 Updated by: Ali Asghar Sum of 11 numbers = 11×10.9 = 119.9…

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## The average of 11 numbers is 10.9. If the average

Average Questions & Answers : The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is

147 Q:

The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is :

A) 10.5 B) 11.5 C) 12.5 D) 13.5 Answer: B) 11.5 Explanation:

Middle numbers = [(10.5 x 6 + 11.4 x 6) - 10.9 x 11] = (131.4 - 119-9) = 11.5.

Subject: Average - Quantitative Aptitude - Arithmetic Ability

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