3256: Which one of the following figures will generate a cone when rotated about one of its straight edges ?
(a) An equilateral triangle
(b) A sector of a circle
(c) A segment of a circle
(d) A right-angled triangle
3257: Which one of the following objectives is not embodied in the Preamble to the Constitution of India?
(a) Liberty of thought
(b) Economic liberty
(c) Liberty of expression
(d) Liberty of belief
3258: Fog is common around Newfoundland coast because:
(a) Icebergs melt around the coast
(b) Warm and cold currents meet
(c) The rainfall is heavy
(d) High tides cause storms
3259: The dimensions of a rectangle are 51 m and 49 m respectively while side of a square is 50 m. Which of the following statements is correct?
(a) Diagonals of the square and the rectangle are equal
(b) Diagonals of both the geometrical figures intersect at right angles
(c) The perimeters of both the geometrical figures are equal
(d) Both the geometrical figures are of the same area
3260: If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there?
1. Oak
2. Rhododendron
3. Sandalwood
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3