461: Running at a speed of 60 km per hour, a train passed through a 1.5 km long tunnel in two minutes. What is the length of the train ?
(A) 250 m
(B) 1000 m
(C) 1500 m
(D) 500 m
462: The heart of human embryo starts beating
(a) in the first week of its development
(b) in the third week of its development
(c) in the fourth week of its development
(d) in the sixth week of its development
463: Department of Border Management is a Department of which one of the following Union Ministries?
(a) Ministry of Home Affairs
(b) Ministry of Defence
(c) Ministry of Shipping, Road Transport and Highways
(d) Ministry of Environment and Forests
464: Pyrilla is a
(a) Disease of teeth and gums
(b) An insect pest
(c) A character of ancient Greek mythology
(d) A building heated by solar energy
465: The number of students in two sections, A and B having different heights is shown in the following Table :
The ratio of the number of students of a particular height in Section A to that in Section B is the maximum for the height of
(a) 1.55 m
(b) 1.60 m
(c) 1.65 m
(d) 1.71 m