1476: The average salary of skilled employees in a firm is Rs. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is Rs. 500, then the percentage of skilled employees in the firm is
(a) 50
(b) 20
(c) 80
(d) 70
1477: Assertion (A) :
Synthetic detergents can lather well in hard water.
Reason (R) :
Synthetic detergents form soluble calcium and magnesium salts with hard water.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1478: What is Medecins Sans Frontieres (MSF)?
(a) An agency formed by the International Olympic Committee (IOC) to check misuse of drugs by sports persons
(b) A non-governmental organization which specialized in international humanitarian aid and emergency medical assistance.
(c) An organization to develop applications of nanotechnology in medicine
(d) An organization of medical practitioners funded by the European Union which carries out research against spread of AIDS
1479: Which one of the following events, was characterised by Montague as Preventive Murder ?
(a) Killing of INA activists
(b) Massacre of Jallianwalla Bagh
(c) Shooting of the Mahatma
(d) Shooting of Curzon-Wythe
1480: The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?
(a) The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out.
(b) The mangroves provide both food and medicines which people are in need of after any natural disaster.
(c) The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or Tsunami.
(d) The mangrove trees do not get uprooted by storms and tides because of their extensive roots.