Teacher asks students to fix flags around the periphery of a circular ground of radius 105 meters. If flags are fixed at a distance of 6 meters apart, find the number of flags required to cover periphery of the ground. (assume π = 22/7)

In a class of 17 students, the average marks in a test was 64. If Cayden got 63 marks and Gabrielle got 110 marks, what was the average of the other 15 students?

An archer shot at the target 95 times and missed it 16 times. From this, can you figure out what the probability of his hitting the target with the next arrow is.