3821: Seven men, A, B, C, D, E, F and G are standing in a queue in that order. Each one is wearing a cap of a different colour like violet, indigo, blue, green, yellow, orange and red. D is able to see in front of him green and blue but not violet. E can see violet and yellow, but not red. G can see caps of all colours other than orange. If E is wearing an indigo coloured cap, then the colour of the cap worn by F is

(a) blue

(b) violet

(c) red

(d) orange
3822: In a wooden box there are 3 red and 4 black balls. If two balls are taken out Simultaneously (without looking at them), then the probability of both the balls being red is

(a) Zero

(b) 1/7

(c) 2/7

(d) 3/7
3823: Which one of the following statements is not correct ?

(a) All echinoderms are viviparous
(b) Round worm has no circulatory system
(c) In bony fishes, swim bladder is usually present
(d) In cartilaginous fishes, fertilisation is internal
3824: Consider the following:

The arrival of Babur into India led to the
1. introduction of gunpowder in the subcontinent
2. introduction of the arch and dome in the region's architecture
3. establishment of Timurid dynasty in the region

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3825: Which of the following constitute the World Bank ?

I. International Bank for Reconstruction and Development

II. International Finance Corporation

III. International Development Association

IV. International Monetary Fund.

Choose the correct answer from the codes given below :

Codes :

(a) I, II and III

(b) I and II

(c) III and IV

(d) I, II, III and IV