IIT JEE Practice Question and Answer

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

  • 1
    October, December
    Correct
    Wrong
  • 2
    April, November
    Correct
    Wrong
  • 3
    June, October
    Correct
    Wrong
  • 4
    April, July
    Correct
    Wrong
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Answer : 4. "April, July"
Explanation :

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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Answer : 3. "23"
Explanation :

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.

Q: 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
    Correct
    Wrong
  • 2
    19/21
    Correct
    Wrong
  • 3
    7/31
    Correct
    Wrong
  • 4
    5/21
    Correct
    Wrong
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Answer : 4. "5/21"
Explanation :

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

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

  • 1
    21
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    19
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 4. "10"
Explanation :

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.

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

  • 1
    Indo-Gangetic plain
    Correct
    Wrong
  • 2
    Krishna-Godavari Delta region
    Correct
    Wrong
  • 3
    North-East region
    Correct
    Wrong
  • 4
    Kerala and Tamil Nadu
    Correct
    Wrong
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Answer : 2. "Krishna-Godavari Delta region"
Explanation :

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.

Q: 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
    Correct
    Wrong
  • 2
    Saturday
    Correct
    Wrong
  • 3
    Sunday
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 4. "Can't be determined"
Explanation :

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.

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

  • 1
    Kiran Desai
    Correct
    Wrong
  • 2
    V.S. Naipaul
    Correct
    Wrong
  • 3
    Salman Rushdie
    Correct
    Wrong
  • 4
    Arundhati Roy
    Correct
    Wrong
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Answer : 4. "Arundhati Roy"
Explanation :

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.

Q: What bet can never be won? 6878 0

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Answer :
Explanation :

ALPHABET is the bet can never be won.

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