1321: The Indus Valley people had contacts with:
(a) Egyptians
(b) Sumerians
(c) Chinese
(d) Mesopotamians
1322: Which of the following have coral reefs?
1. Andaman and Nicobar Islands
2. Gulf of Kachchh
3. Gulf of Mannar
4. Sunderbans
Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
1323: The average salary of skilled employees in a firm is Rs. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is Rs. 500, then the percentage of skilled employees in the firm is
(a) 50
(b) 20
(c) 80
(d) 70
1324: Which of the following shipyards makes warships?
(a) Cochin Shipyard
(b) Mishra Dhatu Nigam Ltd.
(c) Mazagon Dock
(d) Hindustan Shipyard
1325: Which one of the following vitamins is considered to be a hormone ?
(a) A
(b) B
(c) C
(d) D