UP Police SI Exam 23 Nov 2021 Shift 2 Solved Paper

Question : 89 of 160

Marks: +1, -0

The average of 10 data is 55.5. In this the average of first 3 data is 48 and the next 4 data is 58. If the 8^th data is 11 less than the 9^th data and also 6 less than the 10^th data, then find the eighth data?