511: Half of the villagers of a certain village have their own houses. One-fifth of the villagers cultivate paddy. One-third of the villagers are literate. Four-fifth of the villagers are below twenty five. Then, which one of the following is certainly true?
(a) All the villagers who have their own houses are literate
(b) Some villagers under twenty five are literate
(c) A quarter of the villagers who have their own houses cultivate paddy
(d) Half of the villagers who cultivate paddy are literate
512: Seismic waves that vibrate perpendicular to the direction of their path:
(a) Travel through the solid parts of the earth only
(b) Travel through the solid as well as other parts of the earth
(c) Spread on the surface of the earth
(d) None of the above
513: Which one of the following animals stores water in the intestine ?
(a) Moloch
(b) Camel
(c) Zebra
(d) Uromastix
514: Which of the following statements is/are correct regarding National Innovation Foundation-India (NIF)?
1. NIF is an autonomous body of the Department of Science and Technology under the Central Government.
2. NIF is an initiative to strengthen the highly advanced scientific research in India's premier scientific institutions in collaboration with highly advanced foreign scientific institutions.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
515: Which one of the following was an emigree Communist Journal of M.N. Roy?
(a) Kisan Sabha
(b) The Worker
(c) Vanguard
(d) Anushilan