The area of a trapezium is 304 cm2 and the distance between its parallel sides is 16 cm. If one of the parallel sides is of length 23 cm, find the length of the other side.
The chords AB and CD of a circle are perpendicular to each other. If radius of the circle is 7 cm and length of the arc AQD is 12 cm, find the length of arc BPC. (Assume π =
There are 3 hats belonging to 3 students. The hats were put into a box, and each student pulls out a hat one after the other. What is the probability that each student gets his or her own hat?
In Oman's class, 16 students play volleyball, and 13 students play cricket. There are 5 students who play both games. How many students are there in the class?