1936: Mach Number is a term associated with the speed of:

(a) Ships

(b) Cars

(c) Aeroplanes

(d) Light
1937: What are the official languages of the U.N.O. ?

(a) English, French and Russian
(b) English, French, German and Russian
(c) English, French, Russian, Chinese and Hindi
(d) English, French, Chinese, Russian, Arabian and Spanish
1938: If a new State of the Indian Union is to be created, which one of the following Schedules of the Constitution must be amended ?

(a) First
(b) Second
(c) Third
(d) Fifth
1939: With reference to the Indian Renewable Energy Development Agency Limited (IREDA), which of the following statements is/are correct?

1. It is a Public Limited Government Company.
2. It is a Non - Banking Financial Company.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2
1940: Which one of the following countries is the leading producer of uranium?

(a) United States of America
(b) Zambia
(c) Canada
(d) Germany