1291: Consider the following statements :
I. Tides are of great help in navigation and fishing.
II. High tide enables big ships to enter or leave the harbour safely.
III. Tide prevents siltation in the harbours.
IV. Kandla and Diamond Harbour are tidal ports.
Which of these statements are correct ?
(a) I and IV
(b) II, III and IV
(c) I, II and III
(d) I, II, III and IV
1292: 'Khasi' and 'Garo' tribes mainly live in:
(a) Kerala
(b) Meghalaya
(c) Chota Nagpur
(d) Tamil Nadu
1293: The world's highest ground based telescopic observatory is located in
(a) Colombia
(b) India
(c) Nepal
(d) Switzerland
1294: A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is
(a) 12 years
(b) 15 years
(c) 18 years
(d) 20 years
1295: Which one of the following is a Vedanga?
(a) Sruti
(b) Smriti
(c) Nirukta
(d) Samhita