For the following questions answer them individually
P, Q and R can do a work in 15, 20 and 30 days respectively. The contractor decides to put any two of them on the job so as to finish the work earlier. Which of these choices is the best?
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs.3. Find the ratio of
the two selling prices.
If 'ROPE' is coded as 6821 and 'CHAIR' is coded as 73456, then what will be the code for 'CRAPE'?