CAT Practice Question and Answer

Q: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 2041 0

  • 1
    Rs. 5422
    Correct
    Wrong
  • 2
    Rs. 5489
    Correct
    Wrong
  • 3
    Rs. 3972
    Correct
    Wrong
  • 4
    Rs. 6145
    Correct
    Wrong
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Answer : 3. "Rs. 3972"
Explanation :

Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years.  ∴ R = 100×50100×5= 10% p.a.   Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

Q: Which statement best describes the cold war in 1989? 2040 0

  • 1
    The coldwar started
    Correct
    Wrong
  • 2
    Atom bomb on USSR
    Correct
    Wrong
  • 3
    Glorious revolution occured
    Correct
    Wrong
  • 4
    Beginning of the end of cold war
    Correct
    Wrong
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Answer : 4. "Beginning of the end of cold war"
Explanation :

Answer: D) Beginning of the end of cold war Explanation: The Cold War started with building tensions between the US and the USSR during World War II. As Stalin began to annex more countries and spread communism throughout Eastern Europe, the US began to feel threatened and feared that they would start a war amongst the capitalist nations. The US started an attempt to limit the spread of communism and protect capitalism, which led to a series of passive aggressive and indirectly hostile exchanges between the two nations.   The beginning of the end of the cold war, the Berlin Wall came down. The USSR began to collapse the following year, in 1990.

Q: Kalyan purchased a Maruti van for Rs. 1,96,000 and the rate of depreciation is 14(2/7) % per annum. Find the value of the van after two years ? 2039 0

  • 1
    Rs. 1,24,000
    Correct
    Wrong
  • 2
    Rs. 1,44,000
    Correct
    Wrong
  • 3
    Rs. 1,32,000
    Correct
    Wrong
  • 4
    Rs. 1,62,000
    Correct
    Wrong
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Answer : 2. "Rs. 1,44,000"
Explanation :

Answer: B) Rs. 1,44,000 Explanation: Value of Maruti Van, V1 = Rs. 1,96,000Rate of depreciation, r = 14(2/7)% = 100/7%; Time, t = 2 yearsLet V2 is the value after depreciation. V2 = V11 - r100tV2 = 196001 - 10071002 V2 = 196000(6/7)(6/7) V2 = (196000x36)/49 = Rs. 1,44,000.

Q: What color does yellow and green make? 2039 0

  • 1
    Lime
    Correct
    Wrong
  • 2
    Ocean mist
    Correct
    Wrong
  • 3
    Maroon
    Correct
    Wrong
  • 4
    Tangerine
    Correct
    Wrong
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Answer : 1. "Lime"
Explanation :

Answer: A) Lime Explanation: Yellow and green color mix make a Lime color.   The three primary colors in additive mixing are red, green, and blue. In the absence of color or, when no colors are showing, the result is black. If all three primary colors are showing, the result is white. When red and green combine, the result is yellow. When red and blue combine, the result is magenta. When blue and green combine, the result is cyan.

Q: The first NBA Basketball School has been opened in which city ? 2037 0

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

Answer: C) Mumbai Explanation: The National Basketball Association (NBA) announced the launch of NBA Basketball School, a network of tuition-based basketball development programs around the world open to international male and female players ages 6-18 in Mumbai.

Q: To what kingdom do common bacteria belong 2037 0

  • 1
    Archaea
    Correct
    Wrong
  • 2
    Protista
    Correct
    Wrong
  • 3
    Eubacteria
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "Eubacteria"
Explanation :

Answer: C) Eubacteria Explanation: There are two kingdoms of bacteria. They are 1. Eubacteria  and  2. Archaea   The members of these two kingdoms appear similar in shape and appearance, even under the extreme magnification of the electron microscope . However, they are very different from each other in a number of molecular and biochemical aspects. It is these differences that have resulted in the microorganisms being grouped into separate kingdoms.   For example, eubacteria contain the rigid, stress-bearing network known as the peptidoglycan . The only exceptions are the bacteria from the genera Mycoplasma and Chlamydia. Archaebacteria do not contain peptidoglycan. Instead, they contain a different structure that is called pseudomurein.   The common bacteria belongs to Eubacteria kingdom.

Q: After working for 8 days, Hari Ram finds that only 1/3 rd of the work has been done. He employs Satya who is 60% as efficient as Hari Ram. How many days more would Satya take to complete the work ? 2036 0

  • 1
    24 1/2 days
    Correct
    Wrong
  • 2
    25 3/2 days
    Correct
    Wrong
  • 3
    24 2/3 days
    Correct
    Wrong
  • 4
    26 2/3 days
    Correct
    Wrong
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Answer : 4. "26 2/3 days"
Explanation :

Answer: D) 26 2/3 days Explanation: 1/3 ---- 8 1 -------? Hari can do total work in = 24 days As satya is 60% efficient as Hari, then Satya = 1/24 x 60/100 = 1/40 => Satya can do total work in 40 days 1 ----- 40 2/3 ---- ? => 26 2/3 days.

Q: Who of the following threw a bomb in the Central Legislative Assembly along with Bhagat Singh ? 2036 0

  • 1
    B.K. Dutt
    Correct
    Wrong
  • 2
    Sukhdev
    Correct
    Wrong
  • 3
    Jatin Das
    Correct
    Wrong
  • 4
    Rajguru
    Correct
    Wrong
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Answer : 1. "B.K. Dutt"
Explanation :

Answer: A) B.K. Dutt Explanation: Bhagat Singh and B.K. Dutt threw bombs in the Legislative Assembly as a protest against "Passage of public Safety bill".

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