2861: A deflator is a technique of

(a) Adjusting for changes in price level

(b) Adjusting for change in commodity

(c) Accounting for decline of-GNP

(d) Accounting for higher increase of GNP
2862: The speed of revolution of the earth in its orbit round the sun is

(a) Same throughout the year

(b) Greatest when the earth is nearest to the sun

(c) Greatest when the earth is farthest from the sun

(d) Least when the earth is nearest to the sun
2863: Which one of the following laser types is used in a laser printer ?

(a) Dye laser
(b) Gas laser
(c) Excimer laser
(d) Semiconductor laser
2864: Who among the following organised the famous Chittagong armoury raid ?

(a) Laxmi Sehgal

(b) Surya Sen

(c) Batukeshwar Datta

(d) J.M. Sengupta
2865: A cloth is woven with white and violet colour threads alternatively for 2 cm in one direction and with white and grey colour threads for 2 cm in the perpendicular direction. Which of the following patterns would emerge?

(a) Squares of two colours

(b) Squares of three colours

(c) Squares of four colours

(d) Stripes of four colours