1131: Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth's equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 Only
(d) 1, 2, 3 and 4
1132: Two cars X and Y start from two places A and B respectively which are 700 km apart at 9 a.m. Both the cars run at an average speed of 60 km/hr. Car X stops at 10 a.m. and again starts at 11 a.m. while the other-car Y continues to run without stopping. When do the two cars cross each other?
(a) 2 : 40 p.m.
(b) 3 : 20 p.m.
(c) 4 : 10 p.m.
(d) 4 : 20 p.m.
1133: India's contribution to Mathematics includes:
1. Number system
2. Decimal system
3. Concept of zero
(a) 1, 2 & 3
(b) 1 & 2
(c) 2 & 3
(d) 1 & 3
1134: Who was the second President of the Indian Republic?
(a) Dr. Zakir Hussain
(b) Dr. S. Radhakrishnan
(c) Dr. Rajendra Prasad
(d) V. V Giri
1135: Match List I with List II and select the correct answer using the codes given below the Lists :
List I----------List II
I. Iqta------(A) Marathas
II. Jagir-----(B) Delhi Sultans
III. Amaram-(C) Mughals
IV. Mokasa--(D) Vijayanagara
Codes:
(a) I-C, II-B, III-A, IV-D
(b) I-B, II-C, III-D, IV-A
(c) I-B, II-C, III-A, IV-D
(d) I-C, II-B, III-D, IV-A