CSATRatio, Mixture & AveragesArithmetic Geometric Progression and Averages2017

The average rainfall in a city for the first four days was recorded to be 0.40 inch. The rainfall on the last two days was in the ratio of 4:3. The average of six days was 0.50 inch. What was the rainfall on the fifth day?

A

0.60 inch

B

0.70 inch

C

0.80 inch

D

0.90 inch

Correct Answer: Option C

Explanation

1. First, I recall the 'Relat

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