2646: WiMAX is related to which one of the following?

(a) Missile technology
(b) Communication technology
(c) Space technology
(d) Biotechnology
2647: A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, the number of revolutions made by the larger wheel will be:

(a) 12

(b) 49

(c) 9

(d) 4
2648: Who among the following suggested the winding up of the Indian National Congress after India attained independence?

(a) C. Rajagopalachari

(b) Acharya Kripalani

(c) Mahatma Gandhi

(d) Jayaprakash Narain
2649: In order to win the Grand Slam in Tennis, a player must win which one of the following groups of tournaments ?

(a) Australian Open, Wimbledon, French Open, US Open
(b) Wimbledon, French Open, US Open
(c) Wimbledon, French Open, Paegas Czech Open, US Open
(d) Davis Cup, Wimbledon, French Open
2650: When the frequency distribution is normal

(a) median, mode and mean are all different from one another
(b) mean, mode and median are identical
(c) mean is greater than mode
(d) mean is greater than median