156: The difference between the simple interest received from two banks on Rs. 500 for two years is Rs. 2.50. What is the difference between their rates ?

(A) 0.25%
(B) 0.5%
(C) 1%
(D) 2.5%
157: A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is

(a) 1
(b) 3
(c) 4
(d)
158: The Constitution of India was actually ready in

(a) 1947

(b) 1949

(c) 1950

(d) 1952
159: Which one of the following statements is not correct?

(a) The largest Buddhist monastery in India is in Assam.
(b) The language Konyak is spoken in Nagaland.
(c) The largest river island in the world is in Assam.
(d) Sikkim is the least-populated state of the Indian Union.
160: With reference to Manipuri Sankirtana, consider the following statements:

1. It is a song and dance performance.
2. Cymbals are the only musical instruments used in the performance.
3. It is performed to narrate the life and deeds of Lord Krishna.

Which of the statements given above is/are correct?

(a) 1, 2 and 3.
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1 only