CAT Practice Question and Answer

Q: A man pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is 1542 0

  • 1
    1 : 10
    Correct
    Wrong
  • 2
    10 : 1
    Correct
    Wrong
  • 3
    9 : 11
    Correct
    Wrong
  • 4
    11 : 9
    Correct
    Wrong
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Answer : 1. "1 : 10"
Explanation :

Answer: A) 1 : 10 Explanation: Customer ratio of Milk and Water is given by Milk          ::        Water   6.4                         0          81 + 38 =6411  6411                      6410 - 6411  => Milk : Water = 110 : 11 = 10 : 1   Therefore, the proportionate of Water to Milk for Customer is 1 : 10

Q: Which dinosaur is sometimes referred to as the thunder lizard? 1542 0

  • 1
    Diplodocus
    Correct
    Wrong
  • 2
    Brontosaurus
    Correct
    Wrong
  • 3
    Arm reptile
    Correct
    Wrong
  • 4
    Cunningham
    Correct
    Wrong
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Answer : 2. "Brontosaurus"
Explanation :

Answer: B) Brontosaurus Explanation: Although well known as one of the most iconic dinosaurs, Brontosaurus (the 'thunder lizard') has long been considered misclassified. Since 1903, the scientific community has believed that the genus Brontosaurus was in fact the Apatosaurus.

Q: Which solution has the highest pH? 1542 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: Fiscal Policy is concerned with 1541 0

  • 1
    Government Spending and Taxation
    Correct
    Wrong
  • 2
    Money Supply
    Correct
    Wrong
  • 3
    Government Spending, Money Supply and Taxation
    Correct
    Wrong
  • 4
    Taxation
    Correct
    Wrong
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Answer : 1. "Government Spending and Taxation"
Explanation :

Answer: A) Government Spending and Taxation Explanation: The two most widely recognized tools used to influence a Nation's Economic activity are Monetary policy and Fiscal policy.   Monetary policy is primarily concerned with the management of interest rates and the total supply of money in circulation and is generally carried out by central banks   Fiscal policy is the collective term for the taxing and spending actions of governments.

Q: Which of the following things was illegalised by India Act 5th of 1843 ? 1541 0

  • 1
    Sati Pratha
    Correct
    Wrong
  • 2
    Slavery
    Correct
    Wrong
  • 3
    Polygamy
    Correct
    Wrong
  • 4
    Child marriage
    Correct
    Wrong
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Answer : 2. "Slavery"
Explanation :

Answer: B) Slavery Explanation: The Indian Slavery Act, also called as Act 5th of 1843, was an act passed in British India under East India Company rule, which outlawed many economic transactions associated with slavery.

Q: Navaneet has thrice the money Poonam has and Poonam has 25% more money than Hebah. If the average money of the three is Rs. 350, What is the amount that Navaneet has ? 1541 0

  • 1
    Rs. 175
    Correct
    Wrong
  • 2
    Rs. 220.75
    Correct
    Wrong
  • 3
    Rs. 218.55
    Correct
    Wrong
  • 4
    Rs. 656.25
    Correct
    Wrong
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Answer : 4. "Rs. 656.25"
Explanation :

Answer: D) Rs. 656.25 Explanation: Assume Hebah has Rs. M Since 25% more money at Poonam => Money at Poonam = M + (25% of M) => Money at Poonam = M + 0.25M = Rs. 1.25M Money with Navaneet is thrice the money with Poonam, => Money at Navaneet = 3(1.25M) = Rs. 3.75M Now, sum of all Money = (M + 1.25M + 3.75M) = Rs. 6M But given the average of the money is Rs. 350 => 6M/3 = 350 => 2M = 350 => M = 350/2 = Rs. 175 => Amount of money Navaneet has = Rs. 3.75M = 3.75 x 175 = Rs. 656.25.

Q: 3 x 3 + 3 - 3 + 3 = ? 1540 0

  • 1
    9
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    -3
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 2. "12"
Explanation :

Answer: B) 12 Explanation: Using BODMAS law, 3 x 3 + 3 - 3 + 3 = 3 x 3 = 12 = 12 + 3 - 3 + 3 =  9 + 3 = 12   Hence, 3 x 3 + 3 - 3 + 3 = 12.

Q: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1540 0

  • 1
    Father & Son
    Correct
    Wrong
  • 2
    Brothers
    Correct
    Wrong
  • 3
    Son & Father
    Correct
    Wrong
  • 4
    Nephews
    Correct
    Wrong
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Answer : 1. "Father & Son"
Explanation :

Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.

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