4271: In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which one of the following logic diagrams correctly reflects the above situation ?
4272: Heavy rainfall affects soil by:
(a) Increasing its acidity
(b) Increasing its alkalinity
(c) Reducing its fertility
(d) None of these
4273: Why is it advisable not to draw current for many appliances from a single point?
(a) Current will decrease
(b) Current will increase
(c) Current and voltage both will increase
(d) Voltage will decrease whereas current will increase
4274: According to the World Health Organisation, the disease which causes the death of the largest number of people today is
(a) AIDS
(b) Tuberculosis
(c) Malaria
(d) Ebola
4275: Stainless steel contains which of the following?
(a) Aluminium and Zinc
(b) Chromium and Carbon
(c) Zinc and Mercury
(d) Copper and Cadmium