Both A and R are true but R is not the correct explanation of A.

1. The first assembly elections in Rajasthan were held in the year 1952. The tenure of the assembly formed during this period lasted till 1952.

2. The number of members in the first assembly was 160. When Ajmer merged with Rajasthan state in the year 1956, the number of members was increased to 190.

3. The number of members in the second assembly (1957-62) was. Whereas in the fourth assembly (1967-72) there were 184 members.

4. From the sixth (1977-80) Legislative Assembly, the number of members increased to 200.

List-I is correctly matched with List-II.

List - I Lake                    List - II District

( A ) Siliserh                   ( iii ) Alwar

( B ) Band Baretha         ( ii ) Bharatpur

( C ) Gabsagar                ( i ) Dungarpur

( D ) Talab - e - shahi     ( iv ) Dholpur

The country's first 'Indian Medical Device Park' will be developed in the state of Rajasthan.

1. In 1725 AD, Sawai Jai Singh II made a pure table of constellations ‘Jij Muhammad Shahi’ and composed an astrological book named ‘Jai Singh Karika’.

2. Sawai Jai Singh built a big observatory, Jantar Mantar, in Jaipur in 1734 AD, which is the largest observatory in the country.