IIT JEE Practice Question and Answer

Q: Which best describes somatic mutations? 2265 0

  • 1
    transmitted to progeny
    Correct
    Wrong
  • 2
    not transmitted to progeny
    Correct
    Wrong
  • 3
    Can't be identified
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "transmitted to progeny"
Explanation :

Answer: A) transmitted to progeny Explanation: The best example for somatic mutation would be cancer, familial cancer (which transmits through gametes to the next generation) are not so common while sporadic cancer is seen the most where body cells of a particular area goes through mutations for a number of years and becomes cancerous, but it is not transmitted to next generation.

Q: Find the next number in the given number series? 35, 36, 55, 111, ? 2264 0

  • 1
    278.5
    Correct
    Wrong
  • 2
    264.5
    Correct
    Wrong
  • 3
    212.5
    Correct
    Wrong
  • 4
    202
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "278.5"
Explanation :

Answer: A) 278.5 Explanation: The given number series is 35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5   Hence, the next number in the given number series is 278.5.

Q: How many degrees will the minute hand move, in the same time in which the second hand move 5400 ? 2263 0

  • 1
    90 degrees
    Correct
    Wrong
  • 2
    85 degrees
    Correct
    Wrong
  • 3
    60 degrees
    Correct
    Wrong
  • 4
    45 degrees
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "90 degrees"
Explanation :

Answer: A) 90 degrees Explanation: Minute hand covers 5400/60 = 90°

Q: If price of rice increased by 25%, so that a man is can able to purchase 5 kg less rice in Rs. 500. Find the original price of rice per kg ? 2263 0

  • 1
    Rs. 20
    Correct
    Wrong
  • 2
    Rs. 24
    Correct
    Wrong
  • 3
    Rs. 26
    Correct
    Wrong
  • 4
    Rs. 29
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Rs. 20"
Explanation :

Answer: A) Rs. 20 Explanation: Let the original price of rice be Rs. x Let rice a man can buy for Rs. 500 at rs. x/kg be = R kgs From given data, for Rs. 500 x ---- R kgs (x + 25x/100) ---- (R - 5) kgs => Rx = (R - 5)(x + 25x/100) => Rx = (R - 5)(125x/100) => 100Rx = 125Rx - 625x => R = 25 So at rate of Rs. x/kg, man get 25 kgs for Rs. 500 => x = 500/25 = Rs. 20

Q: In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed by 117 marks. What is the minimum passing marks for girls ? 2262 0

  • 1
    625
    Correct
    Wrong
  • 2
    525
    Correct
    Wrong
  • 3
    425
    Correct
    Wrong
  • 4
    325
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "525"
Explanation :

Answer: B) 525 Explanation: Given 40% minimum passing marks for boys = 483 + 117 = 600=> 1% = 600/40 => 100% = 600 x 100/40 = 1500Minimum passing marks for girls = 35% of 1500 = 35 x 1500/100 = 525.

Q: Largest gulf in the world 2261 0

  • 1
    Persian Gulf
    Correct
    Wrong
  • 2
    Gulf of Mannar
    Correct
    Wrong
  • 3
    Gulf of Mexico
    Correct
    Wrong
  • 4
    Gulf of Carpentaria
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Gulf of Mexico"
Explanation :

Answer: C) Gulf of Mexico Explanation: *  The Gulf of Mexico, bordered by the United States, Mexico, and the island nation of Cuba, is the worlds largest gulf. *  It has a coastline of about 5,000 kilometers (3,100 miles). *  The Gulf of Mexico is connected to the Atlantic Ocean by the Straits of Florida, between Cuba and the U.S. state of Florida. *  It is largely surrounded by the North American continent.

Q: Why does homeric literature still survive today? 2261 0

  • Show AnswerHide Answer
  • Workspace

Answer :
Explanation :

Homer's literature had created the foundation for literature and was influential in his time and the future. And they are credited as foundational components of the Western worldview.

Q: Dot cabs company provides cabs for software employees. The company has 8 Swift dzires, 6 Scorpios, 7 Innovas and few small cars. If Swift dzire makes one fourth of the total fleet, how many small cars are there in the company ? 2260 0

  • 1
    9
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "11"
Explanation :

Answer: C) 11 Explanation: Given the company has 8 SD + 6 SRP + 7 IN = 21 cars + 'x' small cars.Given SD makes 1/4 th of the total fleet.=> 8 = 1/4 (21 + x)=> 32 = 21 + x=> x = 11 Therefore, the company has 11 small cars.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully