Three friends went to a hotel and had breakfast to their taste, paying ₹16, ₹17 and ₹21 respectively : Find their mean expenditure.

Three friends went to a hotel and had breakfast to their taste, paying ₹16, ₹17 and ₹21 respectively i) Find their mean expenditure. ii) If they have spent 3 times the amount that they have already spent, what would their mean expenditure be? iii) If the hotel manager offers 50% discount, what would their mean expenditure be? iv) Do you notice any relationship between the change in expenditure and the change n mean expenditure?

Three friends went to a hotel and had breakfast to their taste, paying ₹16, ₹17 and ₹21 respectively : If they have spent 3 times the amount that they have already spent, what would their mean expenditure be ?

Three friends went to a hotel and had breakfast to their taste, paying ₹16, ₹17 and ₹21 respectively : If the hotel manager offers 50% discount, what would their mean expenditure be?

Three friends went to a hotel and had breakfast to their taste, paying ₹16, ₹17 and ₹21 respectively : Do you notice any relationship between the change in expenditure and the char in the mean expenditure.

The coefficient of variation of two distribution are 60 and 70 and their standard deviations are 21 and 16 respectively. Find their arithmeticmeans.

A distribution consists of three components with frequencies 300, 200 and 600 having their means 16, 8 and 4 respectively, then the mean of combined distribution is

Find three consecutive numbers such that if they are divided by 10, 17 and 26 respectively, the sum of their quo tients will be 10. (Hint: Let the con secutive numbers =x, x+ 1,x +2, then x/10+(x+1)/17+(x+2)/26=10)