2161: "3D printing" has applications in which of the following?
1. Preparation of confectionery items
2. Manufacture of bionic ears
3. Automotive industry
4. Reconstructive surgeries
5. Data processing technologies
Select the correct answer using the code given below :
(a) 1, 3 and 4 only
(b) 2, 3 and 5 only
(c) 1 and 4 only
(d) 1, 2, 3, 4 and 5
2162: The minute arm of a clock is 10 cm long. The number of minutes taken by the tip of the arm to travel a length of 10 cm is nearly equal to:
(a) 5
(b) 10
(c) 15
(d) 20
2163: With reference to the invaders in ancient India, which one of the following is the correct chronological order ?
(a) Greeks - Sakas - Kushans
(b) Greeks - Kushans - Sakas
(c) Sakas - Greeks - Kushans
(d) Sakas - Kushans - Greeks
2164: Local self-government can be best explained as an exercise in
(a) Federalism
(b) Democratic decentralization
(c) Administrative delegation
(d) Direct democracy
2165: As an alternative to the partition of India, Gandhiji suggested to Mountbatten that he
(a) postpone granting of independence
(b) invite Jinnah to form the government
(c) invite Nehru and Jinnah to form the government together
(d) invite the army to take over for some time