206: In an examination, 70% of the students passed in the Paper I, and 60% of the students passed in the Paper II. 15% of the students failed in both the papers while 270 students passed in both the papers. What is the total number of students?
(a) 580
(b) 560
(c) 600
(d) 540
207: In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance.
Which one of the following statements is correct in this context ?
(a) The oil extracted from seeds is used in the manufacture of biodegradable plastics
(b) The gun made from its seeds is used in the extraction of shale gas
(c) The leaf extract of this plant has the properties of anti-histamines
(d) It is a source of high quality biodiesel
208: Which one among the following States is smallest in area?
(a) Andhra Pradesh
(b) Gujarat
(c) Karnataka
(d) Tamil Nadu
209: Which one of the following statements is not correct?
(a) The presence of NaCl increases the rate of setting of Plaster of Paris
(b) Gypsum is added to the cement to slow down its rate of setting
(c) All alkaline earth metals form hydrated salts
(d) Barium and Strontium are found free in nature
210: Which one of the following is true regarding the Jawahar Rozgar Yojana (JRY)?
(a) It was launched during the Prime Ministership of Indira Gandhi
(b) It aims at creating one million jobs annually
(c) The target group of JRY are the urban poor living below the poverty line
(d) Under the scheme 30% of the employment generated is reserved for women