2881: What is the approximate mean velocity with which the Earth moves round the Sun in its orbit ?
(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s
2882: Influence of genes in controlling the activity of living organisms is through:
(a) Photosynthesis
(b) Protein synthesis
(c) Vitamins
(d) Hormones
2883: In an office, the number of persons who take tea is twice the number of persons who take only coffee. The number of persons who take coffee is twice the number of persons who take coffee is twice the number of persons who take only tea.
Consider the following statements :
1. The sum of the number of persons who take either tea or coffee or both is four times the number of persons who take both coffee and tea.
2. The sum of the number of persons who take only coffee and those who take only tea is twice the number of persons who take both and coffee. Which of the statements given above is/ are correct?
2884: If all the numbers from 501 to 700 are written, what is the total number of times does the digit 6 appear ?
(A) 141
(B) 138
(C) 140
(D) 139
2885: Who participated the least in the Indian National Movement?
(a) Capitalists
(b) Landlords and Merchants
(c) Princes of States
(d) Government officials