CAT प्रश्न और उत्तर का अभ्यास करें

प्र: Which Country has listed Yoga as a "sports activities"? 1783 1

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    Saudi Arabia
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  • 2
    UAE
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  • 3
    Slovenia
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  • 4
    Pakistan
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उत्तर : 1. "Saudi Arabia"
व्याख्या :

Answer: A) Saudi Arabia Explanation:

प्र: P alone can do a piece of work in 24 days. The time taken by P to complete one-third of work is equal to time taken by Q to complete half of the work. How many days are required to complete by P and Q working together ? 1783 0

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    9 3/5 days
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  • 2
    7 days
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  • 3
    6 3/7 days
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  • 4
    8 days
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उत्तर : 1. "9 3/5 days"
व्याख्या :

Answer: A) 9 3/5 days Explanation: Let the total work be 'W' As per the given information, P can complete the work 'W' in 24 days. => one day work of P = W/24 And also given that, The time taken by P to complete one-third of work is equal to time taken by Q to complete half of the work => PW/3 = QW/2 => P's 1 day =    W/24    ?    =      W/3 =>  ?  = 24W/3W  = 8 => QW/2 = 8 days => Q alone can complete the work W in 16 days => P + Q can complete the work in 1/24 + 1/16 = 5/48 => 48/5 days = 9 3/5 days.

प्र: Kargil Fight held in 1783 0

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    1979
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  • 2
    1989
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  • 3
    1999
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  • 4
    1969
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उत्तर : 3. "1999"
व्याख्या :

Answer: C) 1999 Explanation: The Kargil War, also known as the Kargil conflict, was an armed conflict between India and Pakistan that took place between May and July 1999 in the Kargil district of Kashmir and elsewhere along the Line of Control (LOC). In India, the conflict is also referred to as Operation Vijay.

प्र: What is conversion operator ? 1782 0

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उत्तर :
व्याख्या :

Class can have a public method for specific data type conversions.for example:class B{double value;public  B(int i )operator double(){return value;}};B BObject;double i = BObject; // assigning object to variable i of type double.now conversion operator gets called to assign the value.

प्र: How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ? 1782 0

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    500
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  • 2
    600
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  • 3
    400
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  • 4
    300
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उत्तर : 3. "400"
व्याख्या :

Answer: C) 400 Explanation: Given length of iron rod =7 mts and  and diameter of rod = 2 cms  => r = 1/100 mts Therefore,  Volume of one rod = πr2h cu. m =  227×11002×7cu. m = 115000 cu. m Given volume of iron = 0.88 cu. m  Therefore, Number of rods = 0.88×500011 = 400.

प्र: What goes up and down the stairs without moving? 1782 0

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    Umbrella
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  • 2
    Lift
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  • 3
    Stairs
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  • 4
    All the above
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उत्तर : 3. "Stairs"
व्याख्या :

Answer: C) Stairs Explanation: Those are stairs which goes up and down without moving.

प्र: Digitized information can be used by computers. 1782 0

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    TRUE
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  • 2
    FALSE Answer & Explanation Answer:
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उत्तर : 1. "TRUE"
व्याख्या :

Answer: A) TRUE Explanation: TRUE. The computers and electronic devices use digitized information which is easily understood by them.   Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

प्र: How old are you if you are born in 1995? 1781 0

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    22
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  • 2
    23
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    24
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  • 4
    25
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उत्तर : 2. "23"
व्याख्या :

Answer: B) 23 Explanation: Calculating Age has 2 conditions. Let your Birthday is on January 1st. 1. If the month in which you are born is completed in the present year i.e, your birthday, then Your Age = Present year - Year you are born  As of now, present year = 2018 i.e, Age = 2018 - 1995 = 23 years.   2. If the month in which you are born is not completed in the present year i.e, your birthday, then Your Age = Last year - Year you are born As of now, present year = 2018 i.e, Age = 2017 - 1995 = 22 years.

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