Uniformly sweet taste of Tea or Coffee is due to

The sweet taste of fruits is due to

Coffee and tea are

Coffee and Tea are

Coffee and Tea are

Coffee and Tea are

Coffee and tea are :

In a group of 75 persons every one takes either tea or coffee. If 45 take tea and 35 take coffee, then the Number of persons who take tea only (and not coffee) is

Excess intake of tea and coffee can cause -

Find the ratio of the price of coffee to that of tea, when coffee costs 35 per 100 g and tea costs Rs.70 per kilogram.