476: 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
477: Consider the following statements :
Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
I. act as a reducing agent.
II. remove silica associated with the iron ore.
III. function as fuel, to supply heat.
IV. act as an oxidizing agent.
Of these statements:
(a) I and II are correct
(b) II and IV are correct
(c) I and III are correct
(d) III and IV are correct
478: Consider the following crops :
1. Cotton
2. Groundnut
3. Rice
4. Wheat
Which of these are Kharif crops?
(a) 1 and 4
(b) 1, 2 and 3
(c) 2 and 3 only
(d) 2, 3 and 4
479: Which one of the following edicts mentions the personal name of Asoka ?
(a) Kalsi
(b) Rummindei
(c) Special Kalinga Edict
(d) Maski
480: Which one of the following pairs of islands is separated from each other by the Ten Degree Channel ?
(a) Andaman and Nicobar.
(b) Nicobar and Sumatra
(c) Maldives and Lakshadweep
(d) Sumatra and Java