Start learning →

Six players average 24 years; a 19-year-old is replaced by one aged 31. New mean?

A28 years
B26 years
C25 years
D27 years
Answer & Solution
Correct answer: B. 26 years
The replacement adds 31 − 19 = 12 years to the total, raising the mean to 24 + 12 ÷ 6 = 26 years.
Practise this question with Quill — RPF Constable →

Keep practising Averages and Data Interpretation

Browse all Averages and Data Interpretation questions for RPF Constable, or explore more Arithmetic topics.

Start a Averages and Data Interpretation lesson →
Related questions
Data: combine and interpretRead the displayCompare chart quantitiesMatch the arithmetic resultMatch the arithmetic resultOutput line: days 1,2,3 give 40,60,50; four-day mean 55. Day 3 to 4 rise?Stacked bars P,Q: 6,8 cm; 1 cm=15 items. Red counts: 30,45. Total non-red?In 48 pupils, boys average 64, girls 76, all 69 marks. Number of girls?