The average of eleven consecutive even numbers is 24.What is the difference between the highest and the lowest numbers?
A20
B18
C10
Dcan not be determined
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In a cricket match five batsman B1,B2,B3, B4 and B5 scored an average of 38 runs, B4 scores7 more than B5.B5 scores 8 less than B1. B2 scores as many as B4 and B5 combined. B2 and B3 combined scores 109.How many runs did B5 score?
A data set has arithmetic mean 25. If 10 is subtracted from each data print, what is the new arithmetic mean?
The average age of 40 students of a class is 12 years. If the age of the teacher is also included, the average age of the whole group becomes 13 years. The age (in years) of the teacher is:
30 പേരുടെ ശരാശരി വയസ്സ് 25. 10 പേർ കൂടി ചേർന്നപ്പോൾ അത് 30 ആയി.എങ്കിൽ പുതിയതായി വന്നു ചേർന്നവരുടെ ശരാശരി വയസ്സെത്ര ?
Nirmal bought 52 books for Rs 1130 from one shop and 47 books for Rs 900 from another. What is the average price (in Rs) he paid per book ?