What is the average amount of money spent by Satish if he has spent ₹ 250, ₹ 350, ₹ 300 , ₹ 450 and ₹ 400 in 5 days?
250
300
266.66
333.33
Average = Sum of observationsNo. of Observations
= 250+350+300+450+4005
= 17505
= ₹ 350
What is the average amount of money spent by Satish if he has spent Rs.250, Rs.350, Rs.300 in 3 days?
For the last 10 days, Kareem spent the same amount every day and has spent a total of Rs.230. What is the ratio of his expenditure? (i.e. number of days to the amount spent on that day) If he has Rs.345 left with him, in how many more days will he finish this amount? [3 MARKS]