Question
The average expenditure of a man for the first four month is Rs.12000 and for the next eight months is Rs.10000. If he saves 13000 in that year then find his average monthly income.
Solution
Total expenditure in first 4 months = 12000 × 4 = Rs.48000 Total expenditure in last 8 month = 10000 × 8 = Rs.80000 Total income of the man in a year = 48000 + 80000 + 13000 = Rs.141000 His average income in a month = 141000/12 = Rs. 11750
More Average Questions
- David Warner has an average score of 82 runs in 140 innings. The highest runs scored by him in an innings exceed his lowest score by 210 runs. If the runs ...
- If average of first 11 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 25 numbers is ‘n’.Â
- A person purchased diesel at Rs. 7, Rs. 10 and Rs. 14 per litre in three successive years. If he spent Rs. 3500 each year on diesel, then find the approxim...
- The average price of 10 stickers is Rs.12 while the average price of 8 of these stickers is Rs.11.75. Of the remaining two stickers, if the price of one st...
- The mean weight of 24 men is 45 kg, while the mean weight of 18 women is 40 kg. Calculate the combined average weight of all the men and women together, ro...
- A student calculates the average of five two-digit numbers. If one of them is reversed and the new average increases by 9, and all the numbers are consecut...
- The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
- The average of 6 numbers is 25. The sum of the first 5 numbers is 110. What is the 6th number ?
- Average of 15 observations calculated by a student was 65 but when he again went through his observations he realised that he took value of three observati...
- The average weight of a group of (x - 3) employees is (x + 4) kg. If a manager of weight 54 kg joins the office, then average weight of the group increased...
