IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: In an election only two candidates contested. A candidate secured 70% of the valid votes and won by a majority of 172 votes. Find the total number of valid votes  ? 4236 0

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    446
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    415
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    404
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  • 4
    430
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उत्तर : 4. "430"
व्याख्या :

Answer: D) 430 Explanation: Let the total number of valid votes be 'V'. 70% of V = 70/100 x V = 7V/10 Number of votes secured by the other candidate = V - 7V/100 = 3V/10 Given, 7V/10 - 3V/10 = 172 => 4V/10 = 172 => 4V = 1720 => V = 430.

प्र: If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs. 4232 0

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    45
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    44
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    46
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    47
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उत्तर : 3. "46"
व्याख्या :

Answer: C) 46 Explanation: Here given soldier shots 7 shots in 12 min => 1 shot doen't take any time in 12 min  => Only 6 shots take 12 min  12 min ------ 6 shots  90 min ------ ? shots  => 90 x (6/12) = 45  Therefore, total shots fired in 90 minutes = 45 + 1 = 46 shots.

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उत्तर :
व्याख्या :

1. Answer (2) G 2. Answer (1) BE All other pairs are in same class. 3. Answer (3) ADF in class 9. 4. Answer (4) Linc pen.

प्र: 5 years ago Sushma was 5 times as old as her Son. 5 years hence her age will be 8 less than three times the corresponding age of her Son. Find their ages ? 4216 0

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    24 and 13 years
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    48 and 24 years
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    35 and 11 years
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    33 and 15 years
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उत्तर : 3. "35 and 11 years"
व्याख्या :

Answer: C) 35 and 11 years Explanation: Let the age of sushma be x and the age of her son is yThen five years before x-5=5(y-5) ...(1)Five years hence x+5 = 3(y+5)-8 .....(2) By soving (1) & (2), we get5y - 15 = 3y + 7y = 11 => x = 35 Therefore, the age of Sushma = 35 and her son = 11.

प्र: The two trains of lengths 400 m, 600 m respectively, running at same directions. The faster train can cross the slower train in 180 sec, the speed of the slower train is 48 kmph. Then find the speed of faster train  ? 4209 0

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    68 kmph
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    52 kmph
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    76 kmph
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    50 kmph
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उत्तर : 1. "68 kmph"
व्याख्या :

Answer: A) 68 kmph Explanation: Let the speed of the faster train be 'X' kmph, Then their relative speed= X - 48 kmphTo cross slower train by faster train, Distance need to be cover = (400 + 600)m = 1 km. and Time required = 180 sec = 180/3600 hr = 1/20 hr.Time = Distance/Speed => 1/20 = 1/(x-48)X = 68 kmph

प्र: Library is to Book as Book is to 4200 0

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    Words
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    Pages
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    Binding
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    Cover
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उत्तर : 2. "Pages"
व्याख्या :

Answer: B) Pages Explanation: A Library consists of Books in the same way Book consists Pages.   Hence, Library : Book :: Book : Pages.

प्र: Which Payments Bank becoming the first bank to offer cash backs on deposits  ? 4172 0

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    Postal Payments Bank
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    Airtel Payments Bank
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    Aditya Birla Payments Bank
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    Paytm Payments Bank
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उत्तर : 4. "Paytm Payments Bank"
व्याख्या :

Answer: D) Paytm Payments Bank Explanation: Paytm Payments Bank becoming the first bank to offer cash backs on deposits. Customers will also be offered zero charges on all online transactions and no minimum balance requirement. The Payments Bank plans to roll out 31 branches and 3,000 customer service points in the first year. For savings accounts, it will offer an interest of 4 percent per annum. It will also offer current accounts to its millions of merchants.

प्र: Which of these fields was the lost generation associated with? 4168 0

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    Movies
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    Literature
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    Science
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    Music
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उत्तर : 2. "Literature"
व्याख्या :

Answer: B) Literature Explanation: Lost Generation definition, the generation of men and women who came of age during or immediately following World War I. "Literature" was the one field among the following choices given in the question that was associated with the "Lost Generation".

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