The table given below shows the number of spoon manufactured by five factories.  Factory   Spoon  P 100 Q 200 R 150 S 50 T 250 What are the ratio of number of spoon manufactured by P to the number of spoon manufactured by R ?

3 : 2 2 : 3 14 : 1 1 : 3

2 : 3

Ratio of number of spoon manufactured by P to R , = 100 : 150 = 2 : 3