4441: In a town 25% families own a phone and 15% own a car. 65% families own neither a phone nor a car. 2000 families own both a car and a phone.

Consider the following statements in this regard:

I. 10% families own both a car and a phone.
II. 35% families own either a car or a phone.
III. 40,000 families live in the town.

Which of the above statements are correct ?

(a) I and II
(b) I and III
(c) II and III
(d) I, II and III
4442: Which one of the following metals does not form amalgams ?

(a) Zinc

(b) Copper

(c) Magnesium

(d) Iron
4443: Which one among the following rivers is the longest?

(a) Lena
(b) Congo
(c) Amur
(d) Amazon
4444: The national motto of India, Satyameva Jayate inscribed below the Emblem of India is taken from

(a) Katha Upanishad
(b) Chandogya Upanishad
(c) Aitareya Upanishad
(d) Mundaka Upanishad
4445: Vitamins do not act as a/an:

(a) Source of energy

(b) Stimulant in the growth of the body

(c) Agent in regulating the chemical processes in the body metabolism

(d) All of the above