3236: What does Baudhayan theorem (Baudltayan Sulva sutra) relate to ?
(a) Lengths of sides of a right-angled triangle
(b) Calculation of the value of pi
(c) Logarithm calculations
(d) Normal distribution curve
3237: Which one among the following major Indian cities is most eastward located ?
(a) Hyderabad
(b) Bhopal
(c) Lucknow
(d) Benguluru (Bangalore)
3238: 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
3239: Consider the following statements:
1. Some species of turtles are herbivores.
2. Some species of fish are herbivores.
3. Some species of marine mammals are herbivores.
4. Some species of snakes viviparous.
Which of the statements given above arc correct?
(a) 1 and 3 only
(b) 2, 3 and 4 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
3240: Consider the following statements :
In a nuclear reactor, self-sustained chain reaction is possible, because
I. more neutrons are released in each of the fission reactions.
II. the neutrons immediately take part in the fission process.
III. the fast neutrons are slowed down by Graphite.
IV. every neutron realeased in the fission reaction initiates further fission.
Which of these statements are correct ?
(a) I, II and III
(b) I and III
(c) II and IV
(d) II, III and IV