List of top General Aptitude Questions on Statistics

Select the number from among the given options that can replace the mark (?) in the following series:
7, 16, 41, 94, 249, ?
Potato's per-kilogram price has risen from Rs.18 to Rs.25. What should be the percentage reduction in potato use so that expenditure does NOT increase?
The mean of 5 numbers is 24. If four numbers are 18, 22, 26 and 30, then the fifth number is:

The marks out of 50 obtained by 100 students in a test are given below:

Marks obtained2025282933384243
Number of students620242815421

Find: \(3\text{ mode} - 2\text{ median}\)