Tina alone can do a piece of work in 12 days and Meena alone can do the same work in 15 days. If Tina and Meena undertook to do this work for Rs. 18,000 , then how much amount will Meena get, if they work together ?
B. Industrial Securities Market is also known as gilt-edged market.
80.
Which article of the Indian constitution mentions that it is duty of the Union government to protect States against external aggression and internal disturbance?