301: Which one of the following statements is not correct?
(a) The boiling point of an aqueous solution is higher than that of pure water
(b) Addition of solutes to a solution causes an increase in its water potential
(c) The vapour pressure of the water in a solution is lower than that of pure water
(d) When a solution is separated from water by a semi permeable membrane, water movement can be prevented by applying pressure to the solution
302: Which one of the following ancient Indian records is the earliest royal order to preserve food grains to be utilised during the crises in the country ?
(a) Sohagaura Copper-plate
(b) Rummindei pillar-edict of Asoka
(c) Prayaga-Prasasti
(d) Mehrauli Pillar inscription of Chandra
303: The official associated with land revenue collection in the Maratha administration in medieval India was
(a) Patel
(b) Kulkarni
(c) Mirasdar
(d) Silhadar
304: In a family there are husband wife, two sons and two daughters. All the ladies were invited to a dinner. Both sons went out to play. Husband did not return from office. Who was at home ?
(a) Only wife was at home
(b) All ladies were at home
(c) Only sons were at home
(d) No body was at home
305: A shop offers 10 percent discount on the purchase of any article. It also offers an additional 12 percent discount if the payment is made in cash. If the original price of the item is Rs. 250, then what is its actual price if paid in cash?
(a) Rs. 220
(b) Rs. 195
(c) Rs. 198
(d) None of these