251: The first Trade Union in India was:

(a) Madras Labour Union

(b) Bombay Postal Union

(c) Printers Union of Calcutta

(d) All India Trade Union Congress
252: Commercial production of mineral oil has started recently in which one of the areas of India, labelled 1, 2, 3 and 4 in the rough map given below :


(a) 1
(b) 2
(c) 3
(d) 4
253: Carpenter A can make a chair in 6 hours, carpenter B in 7 hours and carpenter C in 8 hours. If each carpenter works for 8 hours per day, how many chairs will be made in 21 days ?

(a) 61
(b) 73
(c) 67
(d) 79
254: Robert Webster is known for his work associated with which one of the following ?

(a) Influenza virus
(b) HIV/AIDS
(c) Cardiology
(d) Alzheimer
255: Consider the following statements:

1. China has the observer's status at the South Asian Association for Regional Cooperation.

2. India has the observer's status at the Shanghai Cooperation Organisation.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2