IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: The Capacity of a Communication Channel is Measured in 5636 0

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    Band rate
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    Band width
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    Data flow
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    गलत
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    Bit capacity
    सही
    गलत
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उत्तर : 2. "Band width"
व्याख्या :

Answer: B) Band width Explanation: The path that data takes from source to destination is called a Channel. A channel is a communication medium. A channel has a certain capacity for transmitting information.    The "capacity" of a channel is the theoretical upper-limit to the bit rate over a given channel that will result in negligible errors. Channel capacity is often measured by its Bandwidth in Hz or its data rate in bits per second.

प्र: Vaunt : Flaunt :: Disparate : ? 5610 0

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    Similar
    सही
    गलत
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    Homogenous
    सही
    गलत
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    Contrast
    सही
    गलत
  • 4
    Alike
    सही
    गलत
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उत्तर : 3. "Contrast"
व्याख्या :

Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something.   Flaunt is the synonym of the word Vaunt.   Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate.   Here in the given options, Contrast is the only word which is similar in meaning of Disparate.   Hence, Vaunt : Flaunt :: Disparate : Contrast.

प्र: One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ? 5581 0

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    Rs.1,92,000
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    Rs.2,24,000
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    Rs.1,26,000
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    Rs.3,42,000
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उत्तर : 2. "Rs.2,24,000"
व्याख्या :

Answer: B) Rs.2,24,000 Explanation: One-quarter of one-seventh = 1/4 x 1/7= 1/28Now, 1/28 of a land costs = Rs. 30,000Thus, 8/35 of the land will cost = 30,000 x 28 x 4/15= Rs. 2,24,000.

प्र: Bruise is to Fall as Bump is to 5540 0

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    Lump
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    Knock
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    Limp
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    Wound
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उत्तर : 2. "Knock"
व्याख्या :

Answer: B) Knock Explanation: After falling it bruises, similarly after knocking it bumps.   Hence, Bruise : Fall :: Bump : Knock.

प्र: A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed ? 5509 0

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    1hr
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    1 hr 20 min
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    1 hr 10 min
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    50 min
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उत्तर : 2. "1 hr 20 min"
व्याख्या :

Answer: B) 1 hr 20 min Explanation: Let the distance and original speed be 'd' km and 'k' kmph respectively. d/0.8k - d/k = 20/60 => 5d/4k - d/k = 1/3 => (5d - 4d)/4k = 1/3 => d = 4/3 k Time taken to cover the distance at original speed = d/k = 4/3 hours = 1 hour 20 minutes.

प्र: Choose the alternative which is closely resembles the water image of the given combination/figure. ADVANCE   1)   2)   3)   4) NONE 5486 0

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    1
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    2
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    3
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    4
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उत्तर : 2. "2"
व्याख्या :

Answer: B) 2 Explanation:

प्र: A girl facing north rotates 100(degree) clockwise then 190(degree) anticlockwise. what is new direction of the girl ? 5484 0

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    North-East
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    West
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    South-East
    सही
    गलत
  • 4
    South
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उत्तर : 2. "West"
व्याख्या :

Answer: B) West Explanation: First girl facing NorthThen she rotates 100 deg clock wise => 10 deg ESThen again she rotates 190 deg anti clock wise => for 100 deg it is North and more 90 deg means West.Therefore, the new direction of the girl is West.

प्र: In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ? 5478 0

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    UPVCZLR
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    VPCVZRL
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    CVCPZRL
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    गलत
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    VCPCZLR
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उत्तर : 2. "VPCVZRL"
व्याख्या :

Answer: B) VPCVZRL Explanation: ROUTINE IS 7 LETTER WORD.. (1st=R,2nd=O,3rd=U,4th=T,5th=I,6th=N,7th=E)1st and 3rd letter interchanging. (UORTINE)5th and 7th letter interchanging. (UORTENI)1st letter shifting one after that (VORTENI)2nd letter shifting two befor that (VMRTENI)3rd letter remains same (VMRTENI)4th letter(total alphabets - current)+1(26 - 20)+1= 7.(i.e) G (VMRGFNI)5th letter shifting one after that (VMRGFNI)6th letter shifting two befor that (VMRGFLI)7th letter remains same (VMRGFLILike that,CRUELTY IS 7 LETTER WORD.. (1st=C,2nd=R,3rd=U,4th=E,5th=L,6th=T,7th=Y)1st and 3rd letter interchanging. (URCELTY)5th and 7th letter interchanging. (URCEYTL)1st letter shifting one after that (VRCEYTL)2nd letter shifting two befor that (VPCEYTL)3rd letter remains same (VPCEYTL)4th letter (total alphabets - current)+1(26 - 5)+1= 22.(i.e) V (VPCVYTL) 5th letter shifting one after that (VPCVZTL)6th letter shifting two befor that (VPCVZRL)7th letter remains same (VPCVZRL).

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