It rained as much on Wednesday as on all the others days of the week combined If the average rainfal...........

Quantitative Aptitude ( CCS) Average

It rained as much on Wednesday as on all the others days of the week combined. If the average rainfall for the whole week was 3 cm, how much did it rain on Wednesday?

2.625 cm

3 cm

10.5 cm

15 cm

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Explanation:

An average is: (sum of measurements of samples) / (number of samples)
+3+=+2x+%2F+7+ cm/wk
+21+=+2x+
+x+=+10.5+
It rained 10.5 cm on Wednesday

Hence, option 3 is the correct answer.

By: Amit Kumar

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It rained as much on Wednesday as on all the others days of the week combined If the average rainfal...........

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