Area Questions and Answers
Practice ModeShowing 10 of 80 questions
Q71
Distanc e between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?
Answer: Option B
Q72
The avearge age of 36 students in a group is 14 years. when teacher's age is included to it, the average increases by one.What is the teacher's age in years?
Answer: Option C
Q73
The average of five numbers id 27. If one number is excluded,the average becomes 25. The excluded number is
Answer: Option D
Q74
The batting average for 40 innings of a cricket palyer is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is
Answer: Option D
Q75
The avearge score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42. Then find the average for the last four matches?
Answer: Option C
Q76
A library has an average of 510 visitors on sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a sunday is
Answer: Option D
Q77
The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then
Answer: Option B
Q78
A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is
Answer: Option C
Q79
The average age of a husband and his wife was 23 years at the time of their marriage.After five years they have a one year old child.The average age of the family now is
Answer: Option A
Q80
In an examination, a pupil's average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his history paper, his average per paper would have been 65. How many papers were there in the examination?
Answer: Option C