2511: Out of the three annual examinations, each with a total of 500 marks, a student secured average marks of 45% and 55% in the first and second annual examinations. To have an overall average of 60%, how many marks does the student need to secure in the third annual examination ?
(a) 450
(b) 400
(c) 350
(d) 300
2512: Match List I with List II and select the correct answer using the codes given below the lists :
List I-------------List II
I. 1556----------(A) Battle of Haldi Ghati
II. 1600---------(B) Nadir Shah's capture of Delhi
III. 1686--------(C) Death of Shivaji
IV. 1739--------(D) Grant of Charter to East India Company
------(E) Accession of Akbar
Codes:
(a) I-C, II-D, III-B, IV-A
(b) I-E, II-D, III-C, IV-B
(c) I-E, II-B, III-A, IV-D
(d) I-A, II-E, III-C, IV-B
2513: A candidate attempted 12 questions and secured full marks in all of them. If he obtained 60% in the test and all questions carried equal marks, then what is the number of questions in the test ?
2514: Which of the following determines the protein quality of food?
(a) Protein amalgamation
(b) Fibre content
(c) Amino acids mixture
(d) Vegetable or animal origin
2515: Which one of the following soil types of India is rendered infertile by the presence of excess iron ?
(a) Desert sand
(b) Alluvial
(c) Podzolic
(d) Lateritic