2876: Three circles are externally tangent to each other. Their radii are 2 inches, 3 inches and 4 inches. The centres of these circles are joined to form a triangle. The length of the largest side of the triangle is
(a) 5 inches
(b) 6 inches
(c) 7 inches
(d) 8 inches
2877: A man starts walking in the north-easterly direction from a particular point. After walking a distance of 500 metres, he turns southward and walks a distance of 400 metres. At the end of this walk he is situated
(a) 300 metres north of the starting point
(b) 100 metres north-east of the starting point
(c) 300 metres east of the starting point
(d) 100 metres north of the starting point
2878: In 1930 Mahatma Gandhi started Civil Disobedience Movement from
(a) Sevagram
(b) Dandi
(c) Sabarmati
(d) Wardha
2879: Which of the following are Financial Committees of Parliament in India?
1. Public Accounts Committee
2. Estimates Committee
3. Committee on Public Undertakings
(a) 1 and 3
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
2880: Heavy rainfall affects soil by:
(a) Increasing its acidity
(b) Increasing its alkalinity
(c) Reducing its fertility
(d) None of these