241: A survey was conducted on a sample of 1000 persons with reference to their knowledge of English, French and German. The results of the survey are presented in the given Venn diagram. The ratio of the number of persons who do not know any of the three languages to those who know all the three languages is
(a) 1/27
(b) 1/25
(c) 7/550
(d) 175/1000
242: Assertion (A):
Shah Alam II spent the initial years as an Emperor far away from his capital.
Reason (R):
There was always a lurking danger of foreign invasion from the north-west frontier.
(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 the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
243: Who designed the city of Chandigarh?
(a) Le Corbusier
(b) Jacob Epstein
(c) Rodhin Auguste
(d) Ferdinand M. V. De Lesseps
244: Which one of the following is a non-metallic mineral?
(a) Manganese
(b) Magnesium
(c) Gypsum
(d) Bauxite
245: A train completes a journey with a few stoppages in between at an average speed of 40 km per hour. If the train had not stopped anywhere, it would have completed the journey at an average speed of 60 km per hour. On an average, how many minutes per hour does the train stop during the journey?
(A) 18 minutes per hour
(B) 15 minutes per hour
(C) 20 minutes per hour
(D) 10 minutes per hour