4076: The length of its day and the tilt of its axis are almost identical to those of the earth. This is true of
(a) Uranus
(b) Neptune
(c) Saturn
(d) Mars
4077: The reorganisation of Indian States on a linguistic basis took place in:
(a) 1947
(b) 1950
(c) 1956
(d) 1962
4078: In a fluorescent tube which of the following components are found?
(a) Mercury vapour
(b) Argon and carbon dioxide
(c) Helium and oxygen
(d) Argon and neon
4079: Which among the following has the largest perimeter?
(a) A square with an area of 25 sq cm
(b) An equilateral triangle with side 5 cm
(c) A circle with diameter 4 cm
(d) A rectangle with area 84 sq cm and one side 12 cm
4080: On multiplying a number by 3, the product is a number each of whose digits is 7. What is the smallest such number?