2941: The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of

(a) eight binary digits
(b) eight decimal digits
(c) two binary digits
(d) two decimal digits
2942: With reference to 'fly ash' produced by the power plants using coal as fuel, which of the following statements is/are correct?

1. Fly ash can be used in the production of bricks for building construction.
2. Fly ash can be used as a replacement for some of the Portland cement concrete.
3. Fly ash is made up of silicon dioxide and calcium oxide only, and does not contain any toxic elements.

Select the correct answer using the code given below.
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only
2943: Indian cotton merchant, banker, Congressman and a close associate of Mahatma Gandhi'. This description fits

(a) G.D. Birla

(b) M.R. Jayakar

(c) Jamnalal Bajaj

(d) V.S. Srinivasa Sastri
2944: Examine the following statements :

I. All members of Mohan's family are honest.


II. Some members of Mohan's family are not employed.

III. Some employed persons are not honest.

IV. Some honest persons are not employed.

Which of the following inferences can be drawn from the above statements ?

(a) All members of Mohan's family are employed

(b) The employed members of Mohan's family are honest

(c) The honest members of Mohan's family are not employed

(d) The employed members of Mohan's family are not honest
2945: The theory of economic drain from India to England was propounded by:

(a) Dadabhai Naoroji

(b) R. C. Dutt

(c) B. G. Tilak

(d) L. K. Jha