Question
5, 14, 41, 122, 365, 1094, ?
Solution
5 × 3 – 1 = 14 14 × 3 – 1 = 41 41 × 3 – 1 = 122 122 × 3 – 1 = 365 365 × 3 – 1 = 1094 1094 × 3 – 1 = 3281

If average of first 9 numbers is (n β 50) and the sum of remaining number is 1620. Find the value of βnβ, if the average of 21 numbers is βnβ....
The average expenditure of a man for the first 7 month is Rs.5000 and for the next 5 months is Rs.8000. If he saves 12000 in that year then find his ave...
The average of two numbers βPβ and βQβ is 480 such that they are in the ratio 5:7 respectively. Another number βRβ is 60 more than βQβ a...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
The combined average weight of 8 copies and 5 books is 150 grams. If the average weight of the copies is 180 grams, find the average weight of the books.
- The average of forty numbers is 45 while the average of first twenty-two numbers and last twenty-two numbers is 50 and 60, respectively. Find the twenty-se...
The average of 25 values is 62. The average of the first 13 values is 60, and the average of the last 13 values is 65. If the 13th value is excluded, fi...
The average wage of a group of 44 labourers is Rs. 250. If 4 persons receiving average wage of Rs. 275 leave the group and 2 persons receiving average w...
- 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 ...