Question
Which physical instrument is used to measure the
intensity of earthquakes?Solution
A seismometer is used to measure the intensity of earthquakes. It detects ground movements caused by seismic waves and provides valuable information for earthquake monitoring and research.
4, 7, 12, 21, 36, ?
3, 8, 27, 124, ?
150, 158, 131, 195, 70, ?Â
 5, 6, 14, 45, 184, ? Â
What will come in place of the question mark (?) in the following series?
4, 8, 2, 12, 1.5, ?
12    48      192      ?      3072       12288
...84, 63, ?, 283.5, 1701
- What will come in place of the question mark (?) in the following series?
24, 35, 57, 90, 134, ? 3, 8, 18, 33, 53, ?
562, 628, 698, ?, 850