
1 . A person travels from P and Q at a speed of 50km/h and reform by increasing his speed by 50% what is his average for both the trips?
(A). 45km/h
(B). 55km/h
(C). 60km/h
(D). 75km/h
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2 . In a market survey, 25% opted for product A whereas 55% opted for product B. The remaining individuals were hot certain. If the difference between those who opted for product B and those whoever uncertain was 1750, how many individuals were cover in the survey ?
(A). 1800
(B). 3600
(C). 5000
(D). 5950
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3 . A train runs for 3 hours at the speed of 50km/h and then runs for 3 ½ hours at the speed of 80 km/h. Find the average speed of the train.
(A). 61 km/h
(B). 64 km/h
(C). 59.5 km/h
(D). 57.1 km/h
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4 . The average salary of all the workers in a workshop is Rs. 7500. The average salary of 9 technicians is Rs. 12500 and the average salary of the rest is Rs. 6500. The total number of workers in the workshop is :
(A). 54
(B). 45
(C). 36
(D). 49
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5 . The average monthly salary of 35 employees in an organization is Rs. 11000. If the manager’s salary is added, then the average salary monthly by Rs. 200. What is the manager’s monthly salary?
(A). Rs.18000
(B). Rs.18200
(C). Rs.17800
(D). Rs.18600
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6 . The average of seven number is 3.45. The average of two of them is 3.70, while the average of the other two is 3.25, what is average of the remaining three number?
(A). 3.70
(B). 4.32
(C). 3.50
(D). 3.42
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7 . A cricketer has a certain average for 12 innings. In the 13th inning, he second 120 runs thereby increasing his average by 7 runs. His old average is.
(A). 29
(B). 36
(C). 42
(D). None of these.
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8 . Find the average of first 10 prime number ?
(A). 10.1
(B). 11.1
(C). 10.5
(D). 12.9
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9 . The average weight of a class of 30 students was calculated to be 54.8kgs and it was later found that one weight was misread as 64kg instead of 76kg. What is the correct weight?
(A). 54.60kg
(B). 54.40kg
(C). 55.48kg
(D). 55.20kg
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10 . A group of girls is 5 and average ages 20yrs joins a group of 10 boys and so the average of boys increased by 2 yrs. Find the initial average age of boys.
(A). 14 yrs
(B). 16 yrs
(C). 18 yrs
(D). None of the above
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