EASY
CAT
IMPORTANT
Earn 100

The average of 61 results is 43. If the average of the first 48 results is 36  and that of the last 12 is 49. Find the 49th result.

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Important Questions on Average

MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 12
A man covers half of his journey by train 50 km/hr, half of the remainder by bus at 25 km/hr, and the rest by cycle at 5 km/hr. Find the average speed during the entire journey.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 13
In 2010 Sachin Tendulkar, The Indian cricketer, scored 900 runs for his country at an average of 30, in 2011, he scored an average of 30.65, in 2012, 1300 runs at an average of 32.50 and in 2013, 1100 runs at an average of 35.49. What was his county average for the four years?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 14
The average of 10 men is decreased by 5 kg, when one of them weighing 100 kg is replaced by another person. The new person is again replaced by another person, whose weight is 10 kg lower than the person he replaced. What is overall change in the average due to this dual changes ?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 15
Find the average weight of four packets, if it is known that the weight of the first packet is 20 kgand the weights of the second, third and fourth packets' each is defined by f(x)=x2-25×x2 where x=10 .
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 16
There are five boxes in a box hold. The weight of the first box is 40 kg and the weight of the second box is 50% higher than the weight of the third box, whose weight is 25% higher than the first boxes' weight. The fourth box at 150 kg is 50% heavier than the fifth box. Find the difference in the average weight of the four heaviest boxes and the four lightest boxes.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 17
There are five boxes in a box hold. The weight of the first box is 40 kg and the weight of the second box is 50% higher than the weight of the third box, whose weight is 25% higher than the first boxes' weight. The fourth box at 150 kg is 50% heavier than the fifth box. Find the difference in the average weight of the heaviest three and the lightest three.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 18
20 persons went to a hotel for a combined dinner party. 15 of them  spent ₹90 each on their dinner and rest spent ₹30 more than the average expenditure of all the 20. What was  the total money spent  ( in ₹ ) by them?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 19
There were 30 students in a hostel. Due the admission of 20  new students, the expenses of the mess increases by ₹1600  per day while the average expenditure per head diminished by ₹8. What was the original expenditure (in ₹) of the mess?