For the following questions answer them individually
WHO has established __________ initiative for the prevention and control of noncommunicable
diseases.
A courtyard 4.55 m long and 5.25 m broad is paved with square tiles of equal size. What is thelargest size of tile used?
A certain distance is covered at a certain speed. If half the distance is covered in double thetime, what is the ratio of the two speeds?