1096: 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
1097: Consider the following statements :
1. Hepatitis B is several times more infectious than HIV/AIDS
2. Hepatitis B can cause liver cancer
Which of the statements given above is /are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1098: A man jumped at a speed of 5 metres per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man ?
(a) 5.5 times
(b) 4.5 times
(c) 2.5 times
(d) 10 times
1099: Out of the following statements, choose the one that brings out the principle underlying the Cabinet form of Government:
(a) An arrangement for minimizing the criticism against the Government whose responsibilities are complex and hard to carry out to the satisfaction of all.
(b) A mechanism for speeding up the activities of the Government whose responsibilities are increasing day by day.
(c) A mechanism of parliamentary democracy for ensuring collective responsibility of the Government to the people.
(d) A device for strengthening the hands of the head of the Government whose hold over the people is in a state of decline.
1100: Which of the following statements are true about the Indian-born woman astronaut Kalpana Chawla ?
I. She was born in Kamal.
II. She flew on board the shuttle flight STS-87.
III. She was trained at the Kennedy Space Centre.
IV. She did a space-walk to retrieve the Spartan Satellite.
Select the correct answer using the codes given below :
Codes :
(a) I and II
(b) II and III
(c) I, II and III
(d) I, II and IV