Question
A park has an average of 140 visitors on Sundays and 80
on other day. The average number of visitors in a month of 30 days starting with Sunday isSolution
As the month begin with Sunday, so there will be five Sundays in the month. So, Total visitors on Sundays = 140 x 5 = 700 & Total visitors on other days = 80 x 25 = 2000Â Total visitors in a month = 700 + 2000 = 2700 Now, average visitors in a month = 2700/30 = 90
Average weight of all the people in a group is 55 kg. When two people of weight 63 kg and 77 kg left the group, average weight reduces by 1.5 kg. Find t...
The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
The average of the first 7 non-zero multiples of 18 is:
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The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all t...
A is 75% more than B. C is 60 less than A. Average of A, B and C is 340. The ratio of B and C is 2:x. Find the value of x.
If the average of two numbers is 20 and the square root of their product is 16, then the difference between the numbers is:
- A writer completed an average of 120 pages per week for the first 10 weeks. In the next 5 weeks, he completed ‘x’ pages per week, so that his overall a...
- The average of eight numbers is 50. When four more numbers are included, the average increases by 3. Find the average of the numbers included.
The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
