2776: 50 men or 80 women can finish a job in , 50 days. A contractor deploys 40 men and 48 women for this work, but after every duration of 10 days, 5 men and 8 women are removed till the work is completed. The work is completed in:
(a) 45 days
(b) 50 days
(c) 54 days
(d) 62 days
2777: In his works, Kalidasa exhibits a particular leaning towards the worship of
(a) Vishnu
(b) Shiva
(c) Durga
(d) Ganesha
2778: He wrote biographies of Mazzini, Garibaldi, Shivaji and Shrikrishna; stayed in America for some time; and was also elected to the Central Assembly. He was
(a) Aurobindo Ghosh
(b) Bipin Chandra Pal
(c) Lala Lajpat Rai
(d) Motilal Nehru
2779: When a ship enters a sea from a river, its portion under water will:
(a) Increase
(b) Decrease
(c) Show no change
(d) Increase and decrease alternately
2780: Assertion
Galvanised iron pipes do not rust easily.
Reason
Zinc has a higher rate of oxidation than iron.
(a) both A and R are true but R is not the reason for A
(b) both A and R are true but R is the reason for A
(c) neither A nor R is correct
(d) A is correct but R is wrong