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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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Important Questions on Average

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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 8
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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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 9
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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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 10
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?
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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 11
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:
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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 12
The average weight of 16  boys in a class is 50.25  kg and that of the remaining 8 boys is 45.15 kg. Find the average weight of all the boys in the class.
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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 13

A library has an average number of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with Sunday is

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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 14
If the average marks of three batches of 55,60 and 45 students respectively is 50,55,60, then the average marks of the student is:
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Quantitative Aptitude Self Study Material>Chapter 5 - Average>Average>Q 15
A pupil's marks were wrongly entered as 83 instead of 63 . Due to that the average marks for the class got increased by half 12. The number of pupils in the class is: