Options: international agreement signed in 1947 between non-communist nations with the object of encouraging international trade unobstructed by tariff barriers, agreement which seeks to achieve its aim by arranging and encouraging bargaining with trade concessions between members, Both option A and B, None of the above
Options: necessary centrifugal force may be obtained from the horizontal component weight of the train, to avoid frictional force between the tracks and wheels, necessary centripetal force may be obtained from the horizontal component of the weight of the train, the train may not fly off in the opposite direction
Which of the following are the members of SAARC (South Asian Association for Regional Cooperation)?
Options: Bhutan, Bangladesh, India and Pakistan, Bhutan, Bangladesh, the Maldives, Nepal, India, Pakistan, Afghanistan and Sri Lanka, Afghanistan, Pakistan, Thailand, Indonesia, Nepal and Sri Lanka, None of the above
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
Options: Having waited a day, it is too late to take an antibiotic, You need an antiseptic, not an antibiotic, You need to be vaccinated instead of taking an antibiotic, You are infected by a virus
It is more difficult to walk on a sandy road than on a concrete road because
Options: sand is soft and concreter is hard, the friction between sand and feet is less than that between concrete and feet, the friction between sand and feet is more than that between concrete and feet, the sand is grainy but concrete is smooth