4131: Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?
(a) 1.8 km, 0.15 km
(b) 2.2 km, 0.20 km
(c) 2.8 km, 0.25 km
(d) 3.3 km 0.3 km
4132: From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution ?
(a) Shark - Tortoise - Otter
(b) Tortoise - Shark - Otter
(c) Shark - Otter - Tortoise
(d) Otter -Tortoise - Shark
4133: Which one of the following best describes the main objective of 'Seed Village Concept' ?
(a) Encouraging the farmers to use their own farm seeds and discouraging them to buy the seeds from others
(b) Involving the farmers for training in quality seed production and thereby to make available quality seeds to others at appropriate time and affordable cost
(c) Earmarking some villages exclusively for the production of certified seeds
(d) Identifying the entrepreneurs in village and providing them technology and finance to set up seed companies
4134: Which one of the following is the correct sequence of decreasing order of the given currencies in terms of their value in Indian Rupees ?
(a) US dollar, Canadian dollar, New Zealand dollar, Hong Kong dollar
(b) US dollar, New Zealand dollar, Canadian dollar, Hong Kong dollar
(c) US dollar, Hong Kong dollar, New Zealand dollar, Canadian dollar
(d) US dollar, Hong Kong dollar, Canadian dollar, New Zealand dollar
4135: The "dharma" and "rita" depict a central idea of ancient Vedic civilization of India. In this context consider the following statements :
1. Dharma was a conception of obligations and of the discharge of one's duties to oneself and to others.
2. Rita was the fundamental moral law governing the functioning of the universe and all it contained.
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