In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?

In how many ways can 6 subjects be selected from 10 subjects for an examination?

A senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered?

What is mean deviation of 3, 5, 8, 11, 12 and 21?

If 5, 8, 6and 2 occur with frequencies 3, 2, 4 and 1, respectively, find the product of the modal and median number

The cumulative frequency for $5\le x\le 12$from the distribution above is

The pie chart above illustrate the amount of private time a student spends in a week studying various subjects. Find the value of k

The histogram above represented the weight of students who travelled out of their school for an examination. How many people made the trip.