Sharing your mathematics in MathYouLike

Andrew is about to leave for school. If he walks at a speed of 50 meters per minute, he will arrive 3 minutes after the bell rings. If he runs at a speed of 80 meters per minute, he will arrive 3 minutes before the bell rings. In how many minutes will the bell ring?

(A) 8 (B) 9 (C) 10 (D) 12 (E) 13

In a school, half of the 300 students saw Zootopia, 180 students saw Finding Dory, and 45 students did not see either movie. How many students saw both movies?

(A) 75 (B) 80 (C) 85 (D) 95 (E) 105

There are 4 gear wheels on fixed axles next to each other, as shown. The first one has 30 gears, the second one 15, the third one 60 and the last one 10. How many revolutions does the last gearwheel make when the first one turns through one revolution?

(A) 3 (B) 4 (C) 6 (D) 8 (E) 9

Some cells of a square table of size 4×4 were colored red. The number of red cells in each row was indicated at the end of it, and the number of red cells in each column was indicated at the bottom of it. Then the red color was eliminated. Which of the following tables can be the result?

Three cyclists simultaneously start racing on a circular track at 7 am. It takes them 10 minutes, 25 minutes and 15 minutes respectively to complete the round. If all of them start at the same point and go in same direction, when will they meet again at the start point?

The perimeter of the figure to the right, made up of identical squares, is equal to 56 cm. What is the area of the figure?

The figure shows an example of a multiplication problem where the numbers are coded by letters. Same letters represent same digits, and different letters represent different digits. Which digit does the letter x represent?

Paul has four paper strips of the same length. He glues two of them together with a 4 cm overlap, and the new strip is 36 cm long.

He wants to make a 30 cm long strip with the other two strips. How long should the overlap be?