IIT JEE Practice Question and Answer

Q: A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ? 1876 0

  • 1
    1.5 hrs
    Correct
    Wrong
  • 2
    1.7 hrs
    Correct
    Wrong
  • 3
    2.2 hrs
    Correct
    Wrong
  • 4
    3.5 hrs
    Correct
    Wrong
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Answer : 3. "2.2 hrs"
Explanation :

Answer: C) 2.2 hrs Explanation: Let the original Speed be "s" kmphAnd the usual time be "t" hrsGiven that if the bus is running at 9s/10 kmph the time is 22 hrs=> [9s/10] x 22 = t x s=> 99/5 = t => t = 19.8 hrs   Hence, if bus runs at its own speed, the time saved = 22 - 19.8 = 2.2 hrs.

Q: What is the value of 62 tens? 1876 0

  • 1
    6
    Correct
    Wrong
  • 2
    620
    Correct
    Wrong
  • 3
    62
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "620"
Explanation :

Answer: B) 620 Explanation: Here in the question it is asked that 62 tens, which implies ten times of 62. => 62 x 10 = 620.   Hence, the value of 62 tens = 620.

Q: Function of Bile juice? 1876 0

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Answer :
Explanation :

Bile contains bile acids, which are critical for digestion and absorption of fats in the small intestine. Since bile increases the absorption of fats, it is an important part of the absorption of the fat-soluble substances, such as the vitamins A, D, E, and K. Besides its digestive function, many waste products, including bilirubin, a byproduct of red blood cells recycled by the liver are eliminated from the body by secretion into bile and elimination in feces.

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Answer : 3. "37"
Explanation :

Answer: C) 37 Explanation: The number of liters in each can = HCF of 80, 144 and 368 = 16 liters.Number of cans of Maaza = 368/16 = 23Number of cans of Pepsi = 80/16 = 5Number of cans of Sprite = 144/16 = 9The total number of cans required = 23 + 5 + 9 = 37 cans.

Q: Translator program used in assembly language 1874 0

  • 1
    Assembler
    Correct
    Wrong
  • 2
    Interpreter
    Correct
    Wrong
  • 3
    Compiler
    Correct
    Wrong
  • 4
    Operating system
    Correct
    Wrong
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Answer : 1. "Assembler"
Explanation :

Answer: A) Assembler Explanation: Assemblers are used to translate a program written in a low-level assembly language into a machine code (object code) file so it can be used and executed by the computer.   Hence, Assembler is the translator program used in assembly language.

Q: Name the company that has recently created the world’s smallest magnet using a single atom which can store one bit of data on it. 1874 0

  • 1
    TCS
    Correct
    Wrong
  • 2
    Microsoft
    Correct
    Wrong
  • 3
    IBM
    Correct
    Wrong
  • 4
    Infosys
    Correct
    Wrong
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Answer : 3. "IBM"
Explanation :

Answer: C) IBM Explanation: A team of researchers at IBM has created the world’s smallest magnet using a single atom which can store one bit of data on it.

Q: In Geography, who propounded the theory of convectional current Hypothesis? 1873 0

  • 1
    Carl Ritter
    Correct
    Wrong
  • 2
    Immanuel Kant
    Correct
    Wrong
  • 3
    Arthur Holmes
    Correct
    Wrong
  • 4
    Arnaldo Faustini
    Correct
    Wrong
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Answer : 3. "Arthur Holmes"
Explanation :

Answer: C) Arthur Holmes Explanation:

Q: What occurs once in a minute twice in a moment? 1873 0

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Answer :
Explanation :

Here the letter 'M' appears once in Minute and twice in a MoMent.

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