CAT Practice Question and Answer

Q: Currency of Peru is 1813 0

  • 1
    Chilean Peso
    Correct
    Wrong
  • 2
    Euro
    Correct
    Wrong
  • 3
    Sol
    Correct
    Wrong
  • 4
    Dollar
    Correct
    Wrong
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Answer : 3. "Sol"
Explanation :

Answer: C) Sol Explanation: Peru is a country in South America. Lima is the capital city of Peru. Sol is the currency of Peru.

Q: A 260 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train  ? 1812 0

  • 1
    240 mts
    Correct
    Wrong
  • 2
    270 mts
    Correct
    Wrong
  • 3
    260 mts
    Correct
    Wrong
  • 4
    250 mts
    Correct
    Wrong
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Answer : 1. "240 mts"
Explanation :

Answer: A) 240 mts Explanation: Relative speed = 120 + 80 = 200 km/hr.= 200 x 5/18 = 500/9 m/sec. Let the length of the other train be L mts.Then, (L + 260)/9 = 500/9 => L = 240 mts.

Q: An express traveled at an average speed of 100 km/hr, stopping for 4 min after every 75 km. How long did it take to reach its destination 600 km from the starting point ? 1812 0

  • 1
    6 hrs 24 min
    Correct
    Wrong
  • 2
    6 hrs
    Correct
    Wrong
  • 3
    7 hrs 21 min
    Correct
    Wrong
  • 4
    6 hrs 28 min
    Correct
    Wrong
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Answer : 4. "6 hrs 28 min"
Explanation :

Answer: D) 6 hrs 28 min Explanation: Time taken to cover 600 km = 600/100 = 6 hrs. Number of stoppages = 600/75 - 1 = 7 Total time of stoppages = 4 x 7 = 28 min Hence, total time taken = 6 hrs 28 min.

Q: Where are genes located in the cell? 1812 0

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Answer :
Explanation :

Genes are located on DNA present in the chromosome. Chromosomes are present in the nucleus of the cell.

Q: Which solution has the highest pH? 1812 0

  • 1
    50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)
    Correct
    Wrong
  • 2
    50.0 mL 0.0500 M sodium hydroxide, NaOH (aq)
    Correct
    Wrong
  • 3
    50.0 mL 0.0500 M nitric acid, HNO3 (aq)
    Correct
    Wrong
  • 4
    50.0 mL 0.0500 M nitrous acid, HNO2 (aq)
    Correct
    Wrong
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Answer : 1. "50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)"
Explanation :

Answer: A) 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq) Explanation: 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq) has the highest pH value. Sodium hydroxide and Calcium hydroxide are strong bases so they completely ionize in solution. Because they ionize at the same rate, and Calcium hydroxide has the higher pH calculated, then Calcium hydroxide, in fact, has the highest pH. Nitric acid is a strong acid, so it completely ionizes in water. Whilst nitrous acid is a weak acid. Therefore, the nitric acid solution has the LOWEST ph.

Q: According to the Mercer’s 19th annual Quality of Living survey released in 2017, which of the following city has emerged as the best city in terms of living standards among Indian cities ? 1811 0

  • 1
    Bengaluru
    Correct
    Wrong
  • 2
    Hyderabad
    Correct
    Wrong
  • 3
    Ahmedabad
    Correct
    Wrong
  • 4
    Delhi
    Correct
    Wrong
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Answer : 2. "Hyderabad"
Explanation :

Answer: B) Hyderabad Explanation: According to the Mercer’s 19th annual Quality of Living survey released Hyderabad emerged as the best city in terms of living standards among Indian cities for the third year in a row.

Q: What is the most commonly spoken language in the world? 1811 0

  • 1
    Mandarin Chinese
    Correct
    Wrong
  • 2
    English
    Correct
    Wrong
  • 3
    Spanish
    Correct
    Wrong
  • 4
    Hindi
    Correct
    Wrong
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Answer : 1. "Mandarin Chinese"
Explanation :

Answer: A) Mandarin Chinese Explanation:

Q: A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ? 1810 0

  • 1
    45 kmph
    Correct
    Wrong
  • 2
    25 kmph
    Correct
    Wrong
  • 3
    30 kmph
    Correct
    Wrong
  • 4
    50 kmph
    Correct
    Wrong
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Answer : 4. "50 kmph"
Explanation :

Answer: D) 50 kmph Explanation: Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec. [(25/2) x (18/5)] km/hr = 45 km/hr. Let the speed of the train be 'S' km/hr. Then, relative speed = (S - 5) km/hr. S - 5 = 45 => S = 50 km/hr.

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