311: A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/s2. What will be its velocity after 3 seconds ?
(a) 9.8 m/s
(b) 19.6 m/s
(c) 29.4 m/s
(d) 39.2 m/s
312: Which of the following countries share borders with Moldova?
1. Ukraine
2. Romania
3. Belarus
Select the correct answer using the code given below:
(a) 1 and 3 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) 2 and 3 only
313: A and B start from the same point and in the same direction at 7 a.m. to walk around a rectangular field 400 m x 300 m. A and B walk at the rate of 3 km/hr and 2.5 km/hr respectively. How many times shall they cross each other if they continue to walk till 12 : 30 p.m?
(a) Not even once
(b) Once
(c) Twice
(d) Thrice
314: Match List I with List II and select the correct answer by using the codes given below the lists:
List I----------List II
I. Surendranath Bannerjee-------(A) Hind Swaraj
II. M. K. Gandhi-----------------(B) The Indian Struggle
III. Subhash Chandra Bose-------(C) Autobiographical Writings
IV. Lajpat Rai-------------------(D) A Nation in Making
Codes :
(a) I - D, II - A, III - C, IV - B
(b) I - A, II - D, III - C, IV - B
(c) I - A, II - D, III - B, IV - C
(d) I - D, II - A, III - B, IV - C
315: In a department of a university 100 students were admitted. Of the admitted students 90 per cent students appeared and passed in the final examination held two years later. Out of the passing students 1/ 5 passed in first division and 1/5 of the students who passed obtained a second division. In the final exam how many students passed in third division ?
(a) 18
(b) 36
(c) 64
(d) 54