3121: Strips of two metals A and B are firmly joined together as shown in the figure.
3122: The current price index (base 1960) is nearly 330. This means that
(a) all items cost 3.3 times more than what they did in 1960
(b) the prices of certain selected items have gone upto 3.3 times
(c) weighted mean of prices of certain items has increased 3.3 times
(d) gold price has gone up 3.3 times
3123: Who / Which of the following is the custodian of the Constitution of India?
(a) The President of India
(b) The Prime Minister of India
(c) The Lok Sabha Secretariat
(d) The Supreme court of India
3124: Consider the following Pairs : Hills Region
1. Cardamom Hills : Coromandel Coast
2. Kaimur Hills : Konkan Coast
3. Mahadeo Hills : Central India
4. Mikir Hills : North-East India
Which of the above pairs is/are correctly matched?
(a) 1 and 2
(b) 2 and 3
(c) 3 and 4
(d) 2 and 4
3125: To check the expansion of Thar desert which of the following measures should be used?
(a) Construction of dams
(b) Afforestation
(c) Construction of canals
(d) Artificial rain