1 . 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 ?
(D). 5950Show Answer
2 . 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/hShow Answer
3 . 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 :-
(D). 49Show Answer
4 . 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?
(D). Rs.18600Show Answer
5 . 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?
(D). 3.42Show Answer
6 . 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.
(D). None of these.Show Answer
7 . Find the average of first 10 prime number ?
(D). 12.9Show Answer
8 . 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?
(D). 55.20kgShow Answer
9 . 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 aboveShow Answer
10 . Find the average of 22 + 42 + 62 + 82……..+ 202. ?
(D). 168Show Answer