Question
 Which statement provides the most accurate information
about earthquake waves?ÂSolution
The shadow zone of P-waves is in the form of a band between 105 to 145 degrees while that of S-waves is all areas beyond 105 degrees. Thus, the shadow zone of S-waves is much larger than the P-waves. Surface waves are the most damaging waves in terms of losses caused to the life and property of the people. Most of the Earthquake waves vibrate in the direction perpendicular to the direction of the propagation of the waves.Â
Direction: Which of the following will replace ‘?’ in the given question?
10, 12, ‘?’, 27, 36, 45, 54, 63, 72
2Â Â Â Â Â Â Â Â Â Â Â Â Â Â 3.5Â Â Â Â Â Â Â Â Â Â 11.5Â Â Â Â Â Â Â Â 44Â Â Â Â Â Â Â Â Â Â Â 192.5Â Â Â Â Â 988
9Â Â Â Â Â Â Â Â Â a...
43 36 50 29 ? 22
...If 18 x 10 42 -22,
Then, 50% of 2x - 25% of x = ?
...104Â Â Â Â Â Â 156Â Â Â Â Â Â Â 234Â Â Â Â Â Â Â ? Â Â Â Â Â Â Â 526.5Â Â Â Â Â Â Â 789.75
...48   50   54   57   ?   70
5Â Â Â Â 10Â Â Â Â Â 30Â Â Â Â Â 150Â Â Â Â Â 950Â Â Â Â Â 11550
...34Â Â Â 35Â Â Â Â 44Â Â Â Â 69Â Â Â 118Â Â Â ?
27Â Â Â Â Â 32Â Â Â Â Â 42Â Â Â Â Â Â 57Â Â Â Â Â Â 77Â Â Â Â Â ?
...24 25 46 ? 572 2885
...
