For the following questions answer them individually
Going 50 m to the south of my house, I turn left and go another 20 m. Then turning to the north, I go 30 m and then start walking to my house. In which direction am I walking now?
The mean of a set of 12 numbers is 24. If one item is excluded, the mean gets reduced by 3. What is the excluded number?
P and Q agree to do a job for Rs.850. Q alone can do it in 40 days. But P is twice as fast as Q. In order to finish the job earlier, they take the help of R and all three finish the work in 8 days. How much should R be paid for his work?
