Basic Mathematics Q&A +Trivia

The average of 5 consecutive numbers is 13. What is the biggest number?

As of now, Vince is 14 years old while his mother is 40. How many years from now will his mother be twice as old as he?

The average grade of 25 students in Section A is 84, while the average grade of 23 students in Section B is 88. What is the average grade of all 48 students in both sections?

Car A left the town at 11:00 AM and traveled east at an average speed of 70 kph. At 12:00 PM, Car B left at the same town and traveled west at an average speed of 60 kph. How far apart are they at 3:00 PM?

The average of x+5, 2x-4, and x+7 is 20. Find x.

The sum of May’s age and Anna’s age is 72. Twelve years ago, May was twice as old as Anna. How old is Anna now?

How many line segments can be made from 40 non-collinear points?

Three brothers inherited a cash amount of $72,000 and they divided it among themselves in the ratio of 5:4:3. How much more is the largest share than the smallest share?

A water tank contains 20 liters when it is 40% full. How many liters does it contain when 60% full?

How much greater is the sum of the first 100 counting numbers greater than the sum of the first 50 counting numbers?

When a number is increased by 3, its square increases by 135. By what does its square increase when the number is increased by 5?