EASY
CAT
IMPORTANT
Earn 100

In a hotel where rooms are numbered from 201 to 230, each room gives an earning of ₹2000 for the first fifeen days of a month and for the latter half, ₹1000 per room. Find the average earning per room per day (in ₹) over the month. (Assume 30 day month)

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Important Questions on Average

EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 39
The average weight of 10 men is decreased by 2 kg when, one of them weighing 140 kg is replaced by another person. Find the weight of the new person.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 40
The average score of a group of men is increased by 6 years when a person aged 26 years is replaced by a new person of aged 56 years. How many men are there in the group?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 41
The average score of a cricketer in three matches is 33 runs and in two other matches, it is 23 runs. Find the average in all the five matches.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 42
The average of 15 papers is 50. The average of the first 8 paper is 48 and of the last eight papers is 54. Find the marks obtained in the 8th paper.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 43
The average age of the Indian cricket team playing the Coimbatore test is 28. The average age of 5 of the players is 26 and that of another set of 5 players, totally different from the first five, is 29. If it is the captain who was not included in either of these two groups, then find the age of the captain.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 44
Siddhartha has earned an average of 3200 dollars for the first eleven months of the year. If he justifies his staying on in the US on the basis of his ability to earn atleast 4000 dollars per month for the entire year, how much should he earn (in dollars) in the last month to acheive his required average for the whole year?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 45
A bus goes to Ranchi from Patna at the rate of 80 km per hour. Another bus leaves Ranchi for Patna at the same time as the first bus at the rate of 90 km per hour. Find the average speed for the journeys of the two buses combined if it is known that the distance from Ranchi to Patna is 720 kilometres.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 46
A train travels 12 km in the first quarter of an hour, 15 km in the second quarter and 30 km in the third quarter. Find the average speed of the train per hour over the entire journey.