For the following questions answer them individually
The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?
A shopkeeper by selling 5 items, earns a profit equal to the selling price of 1 item. What is his profit percentage?
To cover a distance of 90 km in 2.5 hours what should be the average speed of the car in meters/second?
If in 3 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs. 25,000 in 3 years at the same rate?
If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
