1506: Who established four Maths in four corners of India?

(a) Shankaracharya

(b) Bhaskara

(c) Ramanujacharya

(d) None of these
1507: Match List I with List II and select the correct answer using the codes given below the Lists :

List I (Term)
I. Fiscal deficit
II. Budget deficit
III. Revenue deficit
IV. Primary deficit

List II (Explanation)
(A) Excess of Total Expenditure over Total Receipts
(B) Excess of Revenue Expenditure over Revenue Receipts
(C) Excess of Total Expenditure over Total Receipts less borrowings
(D) Excess of Total Expenditure over Total Receipts less borrowings and Interest Payments

Codes:
(a) I-C, II-A, III-B, IV-D
(b) I-D, II-C, III-B, IV-A
(c) I-A, II-C, III-B, IV-D
(d) I-C, II-A, III-D, IV-B
1508: Isotopes of the same element differ in the number of:

(a) Protons

(b) Neutrons

(c) Electrons

(d) Positrons
1509: Recently, there has been a concern over the short supply of a group of elements called 'rare earth metals'. Why?

1. China, which is the largest producer of these elements, has imposed some restrictions on their export.

2. Other than China, Australia, Canada and Chile, these elements are not found in any country.

3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1510: Aim of Swaraj Party was to:

(a) Enter the Legislative Councils by contesting elections in order to wreck the legislatures from within

(b) Boycott the foreign goods

(c) Launch a non-cooperation movement against the British

(d) Adopt Swadeshi in piece goods on a vast scale