4501: Which of the following events is not correct ?

(a) Simon Commission --- 1928

(b) Salt Satyagraha --- 1930

(c) Gandhi-lrwin Pact --- 1931

(d) Quit India Movement --- 1942
4502: The next pair of letters in the series AZ, CX, FU, ...... is
(a) JQ
(b) KP
(c) IR
(d) IV
4503: After sowing seeds, the fertilisers used are:

(a) Phosphates

(b) Nitrates

(c) Green manures

(d) All of these
4504: In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

(a) Spider
(b) Honeybee
(c) Dragonfly
(d) Pit viper
4505: A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with a speed of 20 km/hr and the last one-third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is

(a) 18 km/hr
(b) 24 km/hr
(c) 30 km/hr
(d) 36 km/hr