CAT प्रश्न और उत्तर का अभ्यास करें

प्र: There are 1650 students in a college. The difference between the number of boys and girls in the college is 400. What is the percentage of girls in the college ? 1231 0

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    49
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  • 2
    34
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  • 3
    43
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  • 4
    38
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उत्तर : 4. "38"
व्याख्या :

Answer: D) 38 Explanation: Let no. of boys be 'B' and no. of girls be 'G' Here from given data, B + G = 1650 .....(1) B - G = 400 .....(2) From (1) & (2), we get 2B = 2050 => B = 1025 => G = 1650 - 1025 = 625 Hence, the % of girls = 625 x 100/1650 => 38% (approx).

प्र: In a certain code 'Black' means Orange', 'Orange' means Violet','Violet' means 'Green', 'Green' means 'White' ,'White', means 'Yellow' and 'Yellow' means 'Sky blue', what is the colour of coal ? 8769 0

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    Orange
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    Sky Blue
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    Violet
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  • 4
    Yellow
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उत्तर : 1. "Orange"
व्याख्या :

Answer: A) Orange Explanation: The colour of coal is Black. In the code language ,black is called orange. So, the colour of coal is Orange.

प्र: Time taken by P alone to finish a work is 50% more than the time taken by P and Q together. Q is thrice as efficient as R. If Q and R together can complete the work in 22.5 days, then how many days will P alone take to complete the work ? 3604 0

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    17 days
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  • 2
    11 days
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  • 3
    15 days
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  • 4
    16 days
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उत्तर : 3. "15 days"
व्याख्या :

Answer: C) 15 days Explanation: We know that Time is inversely proportional to Efficiency Here given time ratio of P & P+Q as P/P+Q = 150/100 = 3:2 Efficiency ratio of P & Q as P:Q = 2:1 ....(1) Given Efficiency ratio of Q & R as Q:R = 3:1 ....(2) From (1) & (2), we get P:Q:R = 6:3:1 P alone can finish the work in 22.5(3+1)/6 = 15 days.

प्र: ______ was named by the Arabs as City of gold ? 1461 1

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    Mumbai
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  • 2
    Jaipur
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    Cooch Behar
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  • 4
    Multan
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उत्तर : 4. "Multan"
व्याख्या :

Answer: D) Multan Explanation: Mumbai - City of Wealth Jaipur - Pink City Cooch Behar - City of Beauty

प्र: National Highway No: _____  is called as Shershah Suri Marg ? 3593 0

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    NH-1
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  • 2
    NH-3
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  • 3
    NH-7
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  • 4
    NH-5
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उत्तर : 1. "NH-1"
व्याख्या :

Answer: A) NH-1 Explanation: N.H. 1 is also called The Sher Shah Suri Marg between Delhi and Amritsar.

प्र: In an exhibition, Almond bought a painting for Rs. 20000. He later sold it to Olive for Rs. 23000. Olive sold it to Sarah for double the profit percentage that Almond earned. At what price should Sarah sell this painting to earn 8% profit ? 1642 0

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    Rs. 34,410
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    Rs. 31,184
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    Rs. 29,999
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  • 4
    Rs. 32,292
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उत्तर : 4. "Rs. 32,292"
व्याख्या :

Answer: D) Rs. 32,292 Explanation: Almond Selling price = CP(1 + P%/100) => CP = 20000, SP = 23000 => 23000 = 20000 (1 + P/100) => P% = 100(23000/20000 - 1) = 15 Then, Olive's P% = 30% SP for Olive = CP for Sarah = 23000(1 + 30/100) = 29900 Now Sarah wants to earn profit of 8% => Sp for Sarah = 29900(1 + 8/100) = Rs. 32,292.

प्र: A, B and C started a business where their initial capital was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to C's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit  ? 1217 0

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    Rs. 8,640
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    Rs. 9,850
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    Rs. 10,000
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    Rs. 11,220
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उत्तर : 3. "Rs. 10,000"
व्याख्या :

Answer: C) Rs. 10,000 Explanation: Ratio of investments of A, B & C = 2×6+4×6 : 3×12 : 4×12 = 36 : 36 : 48 = 6 : 6 : 8 But given that the annual profit of B is Rs. 3000 => 6 ratio = 3000 Then for the total annual profit of partners is 20 ratio = 3000 x 20/6 = 10,000.

प्र: Indians who have been featured on Forbe's list of the 100 Greatest Living Business Minds ? 1100 0

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    Ratan Tata
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    Lakshmi Mittal
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  • 3
    Vinod Khosla
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    All of the above
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उत्तर : 4. "All of the above"
व्याख्या :

Answer: D) All of the above Explanation: Three Indians – Ratan Tata, Lakshmi Mittal and Vinod Khosla have been featured on Forbe's list of the 100 Greatest Living Business Minds.

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