RRB RPF RPSF SI and CONS Model Papers 9 with solutions

Question : 52 of 120

Marks: +1, -0

The average wage of 500 workers was found to be Rs. 200. Later on it was discovered that the wages of two workers were misread as 180 and 20 instead of 80 and 220. The correct average wage is :

Rs. 200.10
Rs. 200.20
Rs. 200.50
Rs. 201.00

Validate

Solution:

(2) Total wages of 500 workers = 500 × 200 = 100000
Now, according to question,

?= {(100000-180-20+80+220)}/{500}

= {100100}/{500}= {\Rs} .200 .20

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