3401: Two trains, each being 120 metres long, are running on parallel tracks in opposite directions at 40 metres/minute and 20 metres/minute respectively. How much time will they take to cross each other?
(a) 1 minute
(b) 2 minutes
(c) 3 minutes
(d) 4 minutes
3402: For India, China, the UK and the USA, which one of the following is the correct sequence of the median age of their populations?
(a) India < China < USA < UK
(b) China < India < UK < USA
(c) China < India < USA < UK
(d) India < China < UK < USA
3403: The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is / are the reason / reasons?
1. Thermal difference between land and water
2. Variation in altitude between continents and oceans
3. Presence of strong winds in the interior
4. Heavy rains in the interior as compared to coasts
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 2 and 3 only
3404: Tarun Bharat Sangh, an organization based in a village near Alwar (Rajasthan), has become famous because of:
(a) Cultivation of genetically modified cotton
(b) Rehabilitation of women victims of AIDS
(c) Livelihood projects for destitute rural women
(d) Rain-water harvesting
3405: The first venture of Gandhi in all India politics was the
(a) Non-Cooperation Movement
(b) Rowlatt Satyagraha
(c) Champaran Movement
(d) Dandi March