Mathematics Past Questions and Answers

Some white balls put in a basket containing twelve red balls and sixteen black balls. If the probability of picking a white balls from the baskets is 3/7, how many white balls were introduced?

find the mean deviation of 1, 2, 3 and 4

An unbiased die is rolled 100 times and the outcome is tabulated above.
What is the probability of obtaining a 5?

The pie chart above shows the distribution of the crops harvested from a farmland in a year. If 3000 tonnes of millet is harvested, what amount of beans is harvested

In how many ways can 2 students be selected from a group of 5 students in a debating competition?