The average monthly expenditure of a family was ₹8,060 during the first three months, ₹9,750 during the next four months and ₹9,920 during the last five months of a year. If the total savings during the year was ₹65,300, the average monthly income (in ₹) of the family was:
14,975
The total expenditure during the year is ₹8,060 × 3 + ₹9,750 × 4 + ₹9,920 × 5 = ₹24,180 + ₹39,000 + ₹49,600 = ₹112,780. The total savings is ₹65,300. Therefore, the total income is ₹112,780 + ₹65,300 = ₹178,080. The average monthly income = ₹178,080 ÷ 12 = ₹14,975.
Important Questions from Average
- Find the mean marks of the following distribution.
Marks obtained No. of students 25 5 30 6 35 3 40 1 - The average of first 169 even numbers is
- The average weight (in kg) of a family of five members whose weights are 40 kg, 49 kg, 56 kg, 74 kg and 35 kg is:
- The average of first 152 odd natural numbers, is:
The average runs scored by a batsman in 23 matches is 40. In the next 10 matches, the batsman scored an average of 16 runs. Find his average runs scored (rounded off to two decimals) in all the 33 matches.
