251: In track meets both 100 yards and 100 metres are used as distances. By how many metres is 100 metres longer than 100 yards ?
(a) 0.856 m
(b) 8.56 m
(c) 0.0856 m
(d) 1.0 m
252: The International Rice Research Institute is located in:
(a) The Philippines
(b) Thailand
(c) Indonesia
(d) Malaysia
253: The Swaraj Party was founded by Motilal Nehru in:
(a) 1947
(b) 1952
(c) 1920
(d) 1929
254: Most of the explosions in mines occur due to the mixing of
(a) hydrogen with oxygen
(b) oxygen with acetylene
(c) methane with air
(d) carbon dioxide with ethane
255: A grocer bought 10 kg of apples for Rs. 81 out of which one kg was found rotten. If he wishes to make a profit of 10%, at what rate per kg. he should sell it?
(a) Rs. 9.00
(b) Rs. 9.90
(c) Rs. 10.10
(d) Rs. 10.20