Question
An Aeroplane flies along a Square field @ 75, 100, 150
and 200 km/hours respectively. Then find the Average speed of the Aeroplane during the whole journey?Solution
At an event, the average number of men and women attending is 700. 65% of the men and 35% of the women are adults. If the total number of children at th...
The average salary of a group of 60 employees is Rs. 400. If 6 employees receiving an average salary of Rs. 450 leave the group and 4 new employees rece...
In a College with 1200 students, the average age of the boys is 24 years and that of girls is 17 years. If the average age of the college is 22 years an...
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
Average run scored by a batsman in 20 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average number of books read by 40 Indian students in a year is 30. If the books read by their librarian are included, the average increases by 2 bo...
- A cyclist maintained an average speed of 22 km/hr for the first 18 hours of a race. In the next 6 hours, his average speed was ‘x’ km/hr, so that his o...
The average age of 16 girls is 35 years. If the age of two more girls is added the average decreases by 3.5 years. What is the sum of the age of new girls?
The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168...
