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?
(6435+6927+6855+7230+6562+x)/6=6500 x=4991 Ans:Rs 4991 sale in 6th month
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
Find how much younger is the new member?
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. What is the monthly income of P?
A bill for Rs. 5656 is drawn on July, 14 at 5 months. It is discounted on October 5th at 5%. Find the money that the holder of the bill receives.
The average of Rohan's marks in 6 subjects is 69.5. If his average in 5 subjects excluding Maths is 63.5, how many marks he obtained in Maths?
A car owner buys petrol at the rate of Rs 62.50, Rs 52.50 and Rs 57.50 per litre for three successive years. What is the average rate per litre of petrol, if he spends Rs 24150 each year?