Jason got an average score of 84.75 in 4 tests. He got 85 as the average of the highest 3 scores, and his lowest two scores are the same numbers. What is the average of his highest two scores?

Which of following is true about the congruence of triangles?

A.

Two right-angled triangles are congruent if the hypotenuse of one of the triangles is equal to the hypotenuse of the other triangle.

B.

Two right-angled triangles are congruent if the hypotenuse and a leg of one of the triangles is equal to the hypotenuse and the corresponding leg of the other triangle.

C.

Two triangles are congruent if two angles and one side in one of the triangle is equal to the corresponding angles and the side of the other triangle.

D.

Two triangles with equal corresponding angles are congruent.

The mayor of Dubai decides to convert a public area measuring 222.04 meters by 257.24 meters into a parking lot. In order to do this, it is decided to pave the area with tiles of size 91 cm by 236 cm. How many tiles will be needed to pave the entire area?

Malik and Khulood are walking around a circular park whose radius is 63 meters. If Malik and Khulood start from a point and walk in the opposite direction with the speed of 12 and 21 meters per minute, respectively, they will meet each other after _____ minutes. (Find the time in minutes, assume π =