631: Consider the following statements:

1. The Islamic Calendar is twelve days shorter than the Gregorian Calendar.

2. The Islamic Calendar began in AD 632.

3. The Gregorian Calendar is a solar calendar.

Which of the statements given above is/are correct?

(a) 1 only
(b) 1 and 2
(c) 1 and 3
(d) 3 only
632: Consider the following statements:

1. Most of Indias external debt is owed by governmental entities.
2. All of Indias external debt is denominated in US dollars.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2
633: Consider the following diseases :

1. Diphtheria
2. Chickenpox
3. Smallpox

Which of the above diseases has/ havebeen eradicated in India?

(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
634: Consider the following statements:

1. The Cholas defeated Pandya and Chera rulers and established their domination over peninsular India in early medieval times.

2. The Cholas sent an expedition against Sailendra empire of South-East Asia and conquered some of the areas.

Which of these statements is/are correct?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
635: Which one of the following countries does NOT border the Caspian Sea?

(a) Armenia
(b) Azerbaijan
(c) Kazakhstan
(d) Turkmenistan