CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 2376 0

  • 1
    92.8%
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  • 2
    84.23%
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  • 3
    87.14%
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  • 4
    94.1%
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उत्तर : 1. "92.8%"
व्याख्या :

Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

प्र: Which has the lowest albedo? 2375 0

  • 1
    dark surfaces
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  • 2
    light surfaces
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  • 3
    Both A & B
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  • 4
    None of the above
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उत्तर : 1. "dark surfaces"
व्याख्या :

Answer: A) dark surfaces Explanation: Albedo refers to a material's ability to reflect sunlight. Since 30% of the sun's energy is reflected by the entire earth, the earth has an average albedo of 0.30. Generally, dark surfaces have a low albedo and light surfaces have a high albedo.

प्र: 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 ? 2375 0

  • 1
    Rs. 5422
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  • 2
    Rs. 5489
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  • 3
    Rs. 3972
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  • 4
    Rs. 6145
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उत्तर : 3. "Rs. 3972"
व्याख्या :

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

प्र: The Famous personality best known for the instrument Tabla  ? 2375 0

  • 1
    Bundu Khan
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  • 2
    Zakir Hussain
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  • 3
    P. Mani Iyer
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  • 4
    Ravi Sankar
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उत्तर : 2. "Zakir Hussain"
व्याख्या :

Answer: B) Zakir Hussain Explanation: Zakir Hussain is best known for the instrument Tabla. Bundu Khan is known for Sarangi P. Mani Iyer is known for Mridangam Ravi Sankar is known for Sitar

प्र: Find the number which multiplied by 15 is increased by 56  ? 2374 0

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    6
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  • 2
    4
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  • 3
    3
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  • 4
    12
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उत्तर : 2. "4"
व्याख्या :

Answer: B) 4 Explanation: Let the number be x. Then, 15x - x = 56 x = 4

प्र: The Jigme Dorji National Park is located in which country  ? 2374 0

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    Myanmar
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  • 2
    Bhutan
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  • 3
    India
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  • 4
    Nepal
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उत्तर : 2. "Bhutan"
व्याख्या :

Answer: B) Bhutan Explanation: The Jigme Dorji National Park is the second-largest National Park of Bhutan. The park provides sanctuary for 37 known species of mammals including several endangered, threatened or vulnerable species, such as the takin, snow leopard, clouded leopard, Bengal tiger, bharal or Himalayan blue sheep, etc. It is also home to the Indian leopard, serow, sambar, barking deer, goral, marmot, pika and more than 300 species of birds. It is also the only park in Bhutan where the national animal (takin), flower (blue poppy), bird (raven) and tree (cypress) exist together.

प्र: Which statement describes the term salary? 2374 0

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    Salary refers to the fixed amount paid on a daily basis.
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  • 2
    Salary refers to the varying amount paid on a daily basis.
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  • 3
    Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis.
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  • 4
    None of the above
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उत्तर : 3. "Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis."
व्याख्या :

Answer: C) Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis. Explanation: A salary is best described as a fixed amount of income that is paid to an individual on a weekly, bi-weekly or monthly basis.   A salary can also be described as the annual earnings paid out over a year.

प्र: 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 ? 2374 0

  • 1
    24 1/2 days
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  • 2
    25 3/2 days
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  • 3
    24 2/3 days
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  • 4
    26 2/3 days
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उत्तर : 4. "26 2/3 days"
व्याख्या :

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.

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