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Comprehension

Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of One BHK and Two BHK flat from 4 Buildings A, B, C, and D.

Buildings One BHK Flats Two BHK Flats
A 20 30
B 15 35
C 25 25
D 24 26

Find the average of One BHK flats in all the buildings 


1. 18
2. 24
3. 21
4. 16
5. 20

1 Answer

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Best answer
Correct Answer - Option 3 : 21

Concept used:

Average = (Sum of observations)/(Number of observations)

Calculations:

Total number of One BHK flats in all the buildings = 20 + 15 + 25 + 24 = 84 

Average of One BHK flats = 84/4 = 21 

∴ Average of One BHK flats in all the buildings = 21 

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