IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Which two months in a year have the same calendar? 7034 0

  • 1
    October, December
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    गलत
  • 2
    April, November
    सही
    गलत
  • 3
    June, October
    सही
    गलत
  • 4
    April, July
    सही
    गलत
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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.

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उत्तर : 3. "23"
व्याख्या :

Answer: C) 23 Explanation: Let us assume the two persons who can speak two languages speak Hindi and Tamil. The third person then speaks all the three languages. Tamil – Number of persons who can speak is 6. Only Tamil 6 – 2 – 1 = 3 Hindi - Number of persons who can speak is 15. Only Hindi 15 – 2 – 1 12 Gujarati – Number of persons who can speak is 6. Only Gujarati 6 – 1 = 5 Thus the number of persons who can speak only one language is 3 + 12 + 5 = 20 Number of persons who can speak two languages = 2 Number of person who an speak all the languages = 1 Total number of persons = 23.

प्र: In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples ? 6992 0

  • 1
    6/7
    सही
    गलत
  • 2
    19/21
    सही
    गलत
  • 3
    7/31
    सही
    गलत
  • 4
    5/21
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    गलत
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उत्तर : 4. "5/21"
व्याख्या :

Answer: D) 5/21 Explanation: Number of ways of (selecting at least two couples among five people selected) = (⁵C₂ x ⁶C₁) As remaining person can be any one among three couples left. Required probability = (⁵C₂ x ⁶C₁)/¹⁰C₅= (10 x 6)/252 = 5/21

प्र: Find the missing number? 15, 30, ? , 40, 8, 48 6962 0

  • 1
    21
    सही
    गलत
  • 2
    8
    सही
    गलत
  • 3
    19
    सही
    गलत
  • 4
    10
    सही
    गलत
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उत्तर : 4. "10"
व्याख्या :

Answer: D) 10 Explanation: Given nuber series is 15, 30, ? , 40, 8, 48  Here the number series follows a pattern that 15 15 x 2 = 30 30 ÷ 3 = 10 10 x 4 = 40 40 ÷ 5 = 8 8 x 6 = 48 Hence, the missing number in the series is 10.

प्र: Which region in India is known as the "Rice Bowl of India"? 6949 2

  • 1
    Indo-Gangetic plain
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    गलत
  • 2
    Krishna-Godavari Delta region
    सही
    गलत
  • 3
    North-East region
    सही
    गलत
  • 4
    Kerala and Tamil Nadu
    सही
    गलत
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उत्तर : 2. "Krishna-Godavari Delta region"
व्याख्या :

Answer: B) Krishna-Godavari Delta region Explanation: In India, the Krishna-Godavari Delta region is called as "Rice Bowl of India".   Coming to the Indian State, Chhattisgarh is known as Rice Bowl of India.

प्र: The second day of a month is Sunday, What will be the last day of the next month which has 31 days  ? 6924 0

  • 1
    Friday
    सही
    गलत
  • 2
    Saturday
    सही
    गलत
  • 3
    Sunday
    सही
    गलत
  • 4
    Can't be determined
    सही
    गलत
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उत्तर : 4. "Can't be determined"
व्याख्या :

Answer: D) Can't be determined Explanation: We cannot find out the answer because the number of days of the current month is not given.

प्र: First Indian woman to win Man Booker Prize? 6902 0

  • 1
    Kiran Desai
    सही
    गलत
  • 2
    V.S. Naipaul
    सही
    गलत
  • 3
    Salman Rushdie
    सही
    गलत
  • 4
    Arundhati Roy
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उत्तर : 4. "Arundhati Roy"
व्याख्या :

Answer: D) Arundhati Roy Explanation: Arundhati Roy was the first Indian woman to win the Man Booker Prize in the year 1997. An Indian writer, Arundhati Roy, was awarded England's prestigious Booker Prize this evening for her first novel, ''The God of Small Things,'' a soaring story about a set of twins struggling to make sense of the world, themselves and their strange and difficult family in southern India.   Kiran Desai was the youngest woman to win the Man Booker Prize. Bernice Rubens became the first woman to win the Booker Prize in 1970. Man Booker Prize is one of the world's richest literary prizes.

प्र: What bet can never be won? 6878 0

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उत्तर :
व्याख्या :

ALPHABET is the bet can never be won.

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