4506: In an objective test there are 60 questions. Each question carries four alternative answers only one of which is correct. Suppose A and B are two candidates both of whom know correct answers to 30 questions. A answers only 30 questions while B answers all 60 questions choosing answers at random for those he does not know the answers of. If each question carries a mark of 1 and no negative marks are awarded, the marks obtained by B are expected to be larger than those obtained by A by

(a) 0

(b) 15

(c) 5

(d) 7.5
4507: Match List I with List II and select the correct answer using the codes given below the Lists:

List I---List II

I. Development Programme---(A) UN India Human Development Report

II. National Council of Applied Economic Research---(B) India Development Report

III. Indira Gandhi Institute of Development Research---(C) World Development Report

IV. World Bank---(D) Human Development Report

Codes:

(a) I-D, II-A, III-B, IV-C
(b) I-D, II-B, III-A, IV-C
(c) I-B, II-C, III-D, IV-A
(d) I-B, II-A, III-D, IV-C
4508: Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?

(a) Indian Ocean is half an ocean

(b) Indian Ocean has monsoon drift

(c) Indian Ocean is a land-locked ocean

(d) Indian Ocean has greater variation in salinity
4509: Assertion (A) :

Muhammad bin Tughlaq left Delhi, and, for two years lived in a camp called Swarga-dwari.

Reason (R) :

At that time, Delhi was ravaged by a form of plague and many people died.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
4510: With reference to the Consumer Disputes Redressal at district level in India, which one of the following statements is not correct?

(a) A State Government can establish more than one District Forum in a district if it deems fit

(b) One of the members of the District Forum shall be a woman

(c) The District Forum entertains the complaints where the value of goods or services does not exceed rupees fifty lakhs

(d) A complaint in relation to any goods sold or any service provided may be filed with a District Forum by the State Government as a representative of the interests of the consumers in general