CAT Practice Question and Answer

Q: Which must be true for metamorphism to occur? 2045 0

  • 1
    The parent rock must be in solid form.
    Correct
    Wrong
  • 2
    Tons of pressure must be applied.
    Correct
    Wrong
  • 3
    The process must take place underground.
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Metamorphism is the change of minerals or geologic texture in pre-existing rocks, without the protolith melting into liquid magma. The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids.   The parent rock must be in solid form. Tons of pressure must be applied for metamorphism to happen. The process must take place underground.

Q: In which year, the first bank of India "Bank of Hindustan" was established ? 2045 0

  • 1
    1677
    Correct
    Wrong
  • 2
    1770
    Correct
    Wrong
  • 3
    1796
    Correct
    Wrong
  • 4
    1831
    Correct
    Wrong
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Answer : 2. "1770"
Explanation :

Answer: B) 1770 Explanation: Among the first banks were the Bank of Hindustan, which was established in 1770 and liquidated in 1829-32.

Q: 20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ? 2044 0

  • 1
    Rs. 1495
    Correct
    Wrong
  • 2
    Rs. 548
    Correct
    Wrong
  • 3
    Rs. 850
    Correct
    Wrong
  • 4
    Rs. 1750
    Correct
    Wrong
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Answer : 1. "Rs. 1495"
Explanation :

Answer: A) Rs. 1495 Explanation: Let the average bill paid by twenty members = 'x' But 19 men paid each = Rs. 70 20th man paid Rs. 90.25 more than the avg bill of 20 = x + 90.25 20x = 19(70) + x + 90.2519x = 1330 + 90.2519x = 1420.25x = 1420.25/19 = Rs. 74.75 But the total bill = 20 x 74.75 = Rs. 1495.

Q: The Gandhi Sagar Dam is built on which river in Madhya Pradesh? 2043 0

  • 1
    Tapti
    Correct
    Wrong
  • 2
    Chambal
    Correct
    Wrong
  • 3
    Narmada
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Chambal"
Explanation :

Answer: B) Chambal Explanation: The Gandhi Sagar Dam is built on Chambal river and is located in the Mandsaur & Neemuch district of Madhya Pradesh.   The dam’s reservoir area is the second-largest in India (after the Hirakud Reservoir), and attracts a large number of migratory and non-migratory birds throughout the year.   It is a masonry gravity dam, standing 62.17 metres (204.0 ft) high.

Q: Sandalwood is largely found in 2042 0

  • 1
    India
    Correct
    Wrong
  • 2
    Japan
    Correct
    Wrong
  • 3
    China
    Correct
    Wrong
  • 4
    Nepal
    Correct
    Wrong
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Answer : 1. "India"
Explanation :

Answer: A) India Explanation: Sandalwood is largely found in India and they are government owned and their harvest is controlled.   Naturally grown sandalwood can be easily found in Karnataka, Tamilnadu, Andhra, Kerala, Gujarat, Madhya Pradesh, and U.P. Manipura and in some other states of India.

Q: Mr. Karthik drives to work at an average speed of 48 km/hr. Time taken to cover the first 60% of the distance is 20 minutes more than the time taken to cover the remaining distance. Then how far is his office ? 2042 0

  • 1
    40 km
    Correct
    Wrong
  • 2
    50 km
    Correct
    Wrong
  • 3
    70 km
    Correct
    Wrong
  • 4
    80 km
    Correct
    Wrong
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Answer : 4. "80 km"
Explanation :

Answer: D) 80 km Explanation: Let the total distance be 'x' km. Time taken to cover remaining 40% of x distance is   t1=40×x100×48 But given time taken to cover first 60% of x distance is   t2=t1+2060hrs  t2=60×x100×48 ∴60×x100×48= 40×x100×48+2060  x=80 km.

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

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