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Earn 100

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 Consecutive months. How much sale must he have in the sixth month, so that he gets an average sale of Rs. 6500?

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Important Questions on Average

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The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
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The Average of 20 numbers is zero of them, at the most, how many be greater than zero ?
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The average weigh of 8 person's increases by 2.5kg when a new person comes in place of one of them weighing 65kg. What might be the weight of the new person?
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The captain of a cricket team of 11 members are 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
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The average monthly income of P and Q is Rs.5050. The average monthly income of Q and R is Rs.6250 and the average monthly income of P and R is Rs.5200. The monthly income of P is:  
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The average age of husband, wife and their child  3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:
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A car owner buys petrol at 7.50, 8 and .8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends 4000 each year?
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In Arun's opinion, his weight is greater than 65kg but less than 72kg. His brother does not agree with Arun and he thinks that arun's weight is greater than 60kg but less than 70kg. His mother's view is that his weight cannot be greater than 68kg. If all are team are correct in their estimation,what is the average of different probable weights of arun?