1796: Ten per cent of twenty plus twenty per cent of ten equals

(a) 10 per cent of 20

(b) 20 per cent of 20

(c) 1 per cent of 200

(d) 2 per cent of 200
1797: The last in the succession of Jaina Tirthankaras was

(a) Parsvanatha

(b) Rishabha

(c) Mahavira

(d) Manisubrata
1798: Normally, the temperature decreases with the increase in height from the Earth's surface, because

1. the atmosphere can be heated upwards only from the Earth's surface

2. there is more moisture in the upper atmosphere

3. the air is less dense in the upper atmosphere

Select the correct answer using the codes given below :

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1799: In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position?

(a) 9
(b) 12
(c) 18
(d) 14
1800: The brothers Umakant and Ramakant Gundecha are

(a) Kathak dancers
(b) Dhrupad vocalists
(c) Tabla players
(d) Sarod maestros