IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: The accounting process involves all of the following except 7396 0

  • 1
    identifying economic transactions that are relevant to the business
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  • 2
    analyzing and interpreting financial reports
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  • 3
    communicating financial information to users by preparing financial reports
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  • 4
    recording nonquantifiable economic events
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उत्तर : 2. "analyzing and interpreting financial reports"
व्याख्या :

Answer: B) analyzing and interpreting financial reports Explanation: The three steps in the accounting process are   1. Identification, 2. Recording, and 3. Communication.    Hence, analyzing and interpreting financial reports is not involved in the accounting process.

प्र: In a certain code language 'how many goals scored' is written as '5397'; 'many more matches' is written as '982'; and 'he scored five' is written as '163'. How is 'goals' written in that code language ? 7289 0

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    5
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  • 2
    7
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  • 3
    3
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  • 4
    Data is not sufficient
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उत्तर : 4. "Data is not sufficient"
व्याख्या :

Answer: D) Data is not sufficient Explanation: From the given data,how many goals scored = 5397....(1)many more matches = 982.....(2)he scored five = 163.....(3)from (1)&(2), many = 9 ....(4)from (1)&(3), scored = 3 ....(5)Using (4)&(5)in(1), we get goals = 5 or 7.

प्र: In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin? 7288 0

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

Answer: B) 2/3 Explanation: Total coins 30 In that, 1 rupee coins 20 50 paise coins 10Probability of total 1 rupee coins =  20C11 Probability that 11 coins are picked = 30C11 Required probability of a coin now picked from the box is 1 rupee = 20C11/30C11 = 2/3.

प्र: Which is the next number in the sequence: 1, 3, 6, 11, 20, 37, ?? 7236 0

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    49
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    56
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    64
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    70
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उत्तर : 4. "70"
व्याख्या :

Answer: D) 70 Explanation: Here the given series is 1, 3, 6, 11, 20, 37, ??, and the logic behind the series is 1 x 2 + 1 = 3 3 x 2 + 0 = 6 6 x 2 + (-1) = 11 11 x 2 + (-2) = 20 20 x 2 + (-3) = 37 37 x 2 + (-4) = 70   Hence, the next number in the given series is 70.

प्र: For x∈N, x>1,  and  p=logxx+1, q=logx+1x+2 then which one of the following is correct? 7201 2

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    p < q
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  • 2
    p = q
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  • 3
    p > q
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  • 4
    can't be determined
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उत्तर : 3. "p > q"
व्याख्या :

Answer: C) p > q Explanation: kl>k+1l+1 for (k,l) > 0 and  k > l        Let     k = x+1    and   l = x       Therefore, x+1x>(x+1)+1(x)+1        (x + 1) > x       Therefore, log(x+1)log(x)>log(x+2)log(x+1)       ⇒logxx+1 >logx+1x+2

प्र: 45% of 750  -  25% of 480 = ? 7185 0

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    337.50
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  • 2
    217.50
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  • 3
    376.21
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  • 4
    120
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उत्तर : 2. "217.50"
व्याख्या :

Answer: B) 217.50 Explanation: Given expression = (45 x 750/100) - (25 x 480/100) = (337.50 - 120) = 217.50

प्र: Which two months in a year have the same calendar? 7155 0

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    October, December
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  • 2
    April, November
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  • 3
    June, October
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  • 4
    April, July
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उत्तर : 4. "April, July"
व्याख्या :

Answer: D) April, July Explanation: If the period between the two months is divisible by 7, then that two months will have the same calender . Now,(a). October + November = 31 + 30 = 61 (not divisible by 7) (b). Apr. + May + June + July + Aug. + Sep. + Oct. = 30 + 31 + 30 + 31 + 31 +30 + 31 = 213 (not divisible by 7) (c). June + July + Aug. + Sep. = 30 + 31 + 31 + 30 = 122 (not divisible by 7) (d). Apr. + May + June = 30 + 31 + 30 = 91 (divisible by 7)   Hence, April and July months will have the same calendar.

प्र: A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold ? 7148 0

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    360 lit
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  • 2
    480 lit
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  • 3
    320 lit
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  • 4
    420 lit
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उत्तर : 2. "480 lit"
व्याख्या :

Answer: B) 480 lit Explanation: 1/k - 1/20 = -1/24 k = 120 120 x 4 = 480 Therefore, the capacity of the cistern is 480 liters.

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