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Q.

A grocer has a sale of ₹6435, ₹6930,₹7522, ₹7230 and ₹ 8500 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of ₹ 6500 ?

 

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a

₹2383

b

 ₹ 6001

c

 ₹ 6991

d

₹5991

answer is A.

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Detailed Solution

Let the sale in sixth month is  x  '.
According to question,
(6435+6930+7522+7230+8500+x)/6=6500 ⇒x+36617=6×6500=39000 ⇒x=39000-36617='2383
 

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