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Average (Quantitative Aptitude) Free Mock Test
The average is a simple term with several meanings. The type of average to use depends on whether you’re adding, multiplying, grouping or dividing work among the items in your set. The average is the value that can replace every existing item, and have the same result. If I could throw away my data and replace it with one “average” value, what would it be?
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1. Question1 pointsCategory: Quantitative Aptitude
The average weight of 45 passenger on board an aircraft is 50 kg. If the weight of 5 members of the crew is added, the average is reduced by half kilogram . What is the average weight of the crew members?
Total weight of 45 passenger = 45 x 50 = 2250 kg
Total weight of 45 passenger and 5 crews = 50 x 49.5 = 2475 kg
Total weight of 5 crews = 2475-2250 = 225kg
Average weight of 5 crews = 225/5 = 45kg.
2. Question1 pointsCategory: Quantitative Aptitude
A man spends Rs 1,800 per month on an average for the first four mouths and Rs 2,000 per month for the nest 8 months and saves Rs 5,600 a year. What is his average monthly income ?
Total expenditure during first four months = 1,800 x 4 = Rs 7,200
Total expenditure during the next 8 months = 2,000 x 8 = Rs 16,000
Saving = Rs 5,600
Total of expenditure and saving (equal to income the year) = 7,200+ 16,000 + 5,600=Rs 28,800
Average monthly income = 28,800 /12 = Rs 2,400
3. Question1 pointsCategory: Quantitative Aptitude
The average of 5 numbers is 9 and the average of the last three numbers is 5.Find the average of the first two numbers.
Sum of 5 numbers = 9 x 5 = 45
Sum of last three numbers = 15
The average of 1st two numbers = 45-15/2 = 30/2 = 15.
4. Question1 pointsCategory: Quantitative Aptitude
A certain company employed 600 men and 400 women and the average wage was 2.55 per hour. If a women got 50 paise less than a man, what were their wages per hour?
5. Question1 pointsCategory: Quantitative Aptitude
A man wnt uphill with a speed of 20 km.p.h. and came downhill with a speed of 30 km p.h. The average speed for his journey was
6. Question1 pointsCategory: Quantitative Aptitude
A ship sails out to a mark at the rate of 10 km per hour and sails back at th rate of 15 km per hour. What is its average rate of sailing?
7. Question1 pointsCategory: Quantitative Aptitude
One third of a certain jaurney was covered at a rate of 25 km per hour, one fourth at the rate of 30 km per hour and the rest at the rate of 50 km per hour. The average speed for the whole journey is
8. Question1 pointsCategory: Quantitative Aptitude
Monica’s average expenses for 4 days is Rs 6.0. She spent Rs 7.70 on first day, Rs 6.30 on second day. If she spent 10 on third day , How much did she spend on the 4th day?
= 24 – ( 7.70 + 6.30 + 10)
9. Question1 pointsCategory: Quantitative Aptitude
The average age of A and B is 20 years. If C were to replace A, the average would be 19 and id C were to replace B,the average would be 21 . The ages of A, B and C are (in years)
A + B = 2 x 20
C + B = 2 x 19
A + C = 2 x 21
10. Question1 pointsCategory: Quantitative Aptitude
The average age of a board of 8 trustless remains the same as it was 3 years ago, when one of them is replaced by a new member. The new member is younger than the truetee in whose place he has been replaced by