1111: Consider the following statements regarding the earthquakes :
I. The intensity of earthquake is measured on Mercalli scale.
II. The magnitude of an earthquake is a measure of energy released.
III. Earthquake magnitudes are based on direct measurements of the amplitude of seismic waves.
IV. In the Richter scale, each whole number demonstrates a hundredfold increase in the amount of energy released.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I and III
1112: National Agriculture Insurance Scheme replacing Comprehensive Crop Insurance Scheme was introduced in the year
(a) 1997
(b) 1998
(c) 1999
(d) 2000
1113: Consider the following statements about Sikh Gurus:
1. Banda Bahadur was appointed as the military leader of the Sikhs by Guru Tegh Bahadur.
2. Guru Arjan Dev became the Sikh Guru after Guru Ram Das.
3. Guru Arjan Dev gave to Sikhs their own script's Gurumukhi.
Which one of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) 1 and 2
1114: If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle
(a) is obtuse
(b) has one angle greater than 80°
(c) is a right triangle
(d) is acute
1115: 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