CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Which statement fits the Frontier Ethic? 2223 1

  • 1
    Recycle plastic
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  • 2
    Help those in need
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  • 3
    He who has more toys wins
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  • 4
    Walk lightly on Earth
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उत्तर : 3. "He who has more toys wins"
व्याख्या :

Answer: C) He who has more toys wins Explanation: Frontier Ethic is Spending Earth's assets at the cost of losing resource capital. A frontier ethic assumes that the earth has an unlimited supply of resources. It is the notion of disregarding the Earth for the benefit or gain of man. If resources run out in one area, more can be found elsewhere or alternatively human ingenuity will find substitutes. This attitude sees humans as masters who manage the planet. It is completely Anthropocentric.

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उत्तर : 3. "Rs. 10664.15"
व्याख्या :

Answer: C) Rs. 10664.15 Explanation: Profit received by Chinna as working partner = 14.5% of Rs. 19600 = 14.5x19600/100 = Rs. 2842 Balance in profit = 19600-2842 = Rs. 16758 Ratio of investment of Chinna & Munna = 80,000 : 1,40,000 = 4 : 7 Hence share of Chinna in investment = 4x16758/100 = Rs. 6093.85 Therefore, Share of Munna = 19600 - 2842 - 6093.85 = Rs. 10664.15

प्र: Which statement is NOT true about polymers? 2222 0

  • 1
    Polymers are large molecules composed of small monomeric units
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  • 2
    Polymes are macromolecules
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  • 3
    Polymers are complex molecules composed of random sequences of atoms
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  • 4
    All the above
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उत्तर : 3. "Polymers are complex molecules composed of random sequences of atoms"
व्याख्या :

Answer: C) Polymers are complex molecules composed of random sequences of atoms Explanation: Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

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उत्तर : 2. "535"
व्याख्या :

Answer: B) 535 Explanation: The number of points of intersection of 37 lines is C237. But 13 straight lines out of the given 37 straight lines pass through the same point A.   Therefore instead of getting C213 points, we get only one point A. Similarly 11 straight lines out of the given 37 straight lines intersect at point B. Therefore instead of getting C211 points, we get only one point B.    Hence the number of intersection points of the lines is C237-C213-C211 +2 = 535

प्र: Find the odd man out of the following number sequence? 3, 5, 13, 43, 167 2221 0

  • 1
    167
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  • 2
    43
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  • 3
    13
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  • 4
    5
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उत्तर : 1. "167"
व्याख्या :

Answer: A) 167 Explanation: The given number series is 3, 5, 13, 43, 167 3 3 x 1 + 2 = 5 5 x 2 + 3 = 13 13 x 3 + 4 = 43 43 x 4 + 5 = 177 (not equal to 167)   Hence, the odd number in the given number sequence is 167.

प्र: What is the next number in this series ?  4, 6, 12, 18, 30, 42, 60, ? 2220 0

  • 1
    71
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  • 2
    72
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  • 3
    73
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  • 4
    69
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उत्तर : 2. "72"
व्याख्या :

Answer: B) 72 Explanation: With close observation, you will note that each number in the list is in the middle of two prime numbers. Thus: 4 is in the middle of 3 and 5, 6 is in the middle of 5 and 7, 12 is in the middle of 11 and 13, 18 is in the middle of 17 and 19, 30 is in the middle of 29 and 31. 42 is in the middle of 41 and 43, 60 is in the middle of 59 and 61. Therefore, the next number would be the one that is in the middle of the next two prime numbers, which is 72 (which is in the middle of 71 and 73).

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उत्तर : 2. "2"
व्याख्या :

Answer: B) 2 Explanation: Given number is 14278359As given 1st and 5th digits, 2nd & 6th, 3rd & 7th and 4th & 8th digits are to to be interchanged.Therfore, the rearranged number is 83591427Then, the second digit from the right end is 2.

प्र: In a class there are certain no. of boys and girls. If 15 girls are absent then no. of boys will be twice that of girls. If 45 boys are absent then girls strength will be 5 times that of boys. Find number of boys actually present ? 2217 0

  • 1
    40
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  • 2
    50
    सही
    गलत
  • 3
    55
    सही
    गलत
  • 4
    35
    सही
    गलत
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उत्तर : 2. "50"
व्याख्या :

Answer: B) 50 Explanation: 15 girls are absent => b = 2(g-15)...... eqn...(1) 45 boys are absent => g - 15 = 5(b-45).....eqn...(2) => g = 5(b-45) + 15 => b = 2((5(b-45)+15)-15) => b = 2(5b - 225 + 15 - 15) => b = 2(5b-225) => b = 10b - 450 => 9b = 450 => b = 50 so from equation(2) g - 15 = 5(b - 45) => g - 15 = 5(50-45) => g - 15 = 5(5) => g = 25 + 15 => g = 40 Therefore, the number of boys = 50 and girls = 40

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