3771: Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

(a) Hydrogen, Oxygen, Sodium

(b) Carbon, Hydrogen, Nitrogen

(c) Oxygen, Calcium, Phosphorus

(d) Carbon, Hydrogen, Potassium
3772: In 1930, a person's age was 8 times that of his son. In 1938, the father's age became ten times that of his son's age in 1930. The ages of the son and father in 1940 were, respectively.

(a) 16 years, 58 years

(b) 15 years, 50 years

(c) 14 years, 42 years

(d) 13 years, 34 years
3773: Based on the following statements, which is the correct conclusion drawn. Only gentlemen can become members of the club. Many of the members of the club are officers. Some of the officers have been invited for dinner.

(a) All the members of the club have been invited for dinner

(b) Some of the officers are not gentlemen

(c) All gentlemen are members of the club

(d) Only gentlemen have been invited for dinner
3774: Willy willy is

(a) a type of tree grown in temperate regions
(b) a wind that blows in a desert
(c) a tropical cyclone of the north-west Australia
(d) a kind of common fish found near Lakshadweep island
3775: The painting of Bodhisattva Padmapani is one of the most famous and oft-illustrated paintings at

(a) Ajanta
(b) Badami
(c) Bagh
(d) Ellora