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Reasoning
Although commonly referred to as tidal waves, tsunamis are not caused by tides. A tsunami is a series of fast-moving waves created by a disturbance above or below sea level. Although earthquakes are the most common cause of tsunamis, volcanic eruptions and landslides can also trigger a tsunami. A tsunami can occur in any large body of water, however they typically occur in the Pacific Ocean. In open water, a tsunami travels at speeds of up to 800 km per hour, with wavelengths several hundred kilometres long but wave heights under one metre. When it approaches land, however, a tsunami slows, its wave length compressing and its height increasing. In 2004, a catastrophic tsunami resulting from an earthquake in the Indian Ocean claimed more than 200,000 lives with 20-metres-high waves. While scientists cannot predict when a tsunami will occur, seismologists monitoring submarine earthquakes can forecast a tsunamiís arrival and impact using wave theory and measurement technology, thus enabling authorities to issue tsunami warnings.

149. Tidal wave is a widely used misnomer for a tsunami

(a) True
(b) False
(c) Cannot say
(d)

150. Earthquakes below the Indian Ocean represent the main cause of tsunamis

(a) True
(b) False
(c) Cannot say
(d)

151. The 2004 Indian Ocean tsunami was the most devastating tsunami in recent history

(a) True
(b) False
(c) Cannot say
(d)

152. As a tsunami reaches the shore, its speed and its wave height increase

(a) True
(b) False
(c) Cannot say
(d)

153. Using wave measurement methodology, scientists can predict when a tsunami will occur

(a) True
(b) False
(c) Cannot say
(d)

TOTAL

Detailed Solution




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1. Passage Reading 2. Verbal Logic 3. Non Verbal Logic 4. Numerical Logic

5. Data Interpretation 6. Reasoning 7. Analytical Ability 8. Basic Numeracy

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