IIT JEE Practice Question and Answer

Q: Highest Jute producing state in India? 1598 0

  • 1
    Gujarat
    Correct
    Wrong
  • 2
    West Bengal
    Correct
    Wrong
  • 3
    Uttar Pradesh
    Correct
    Wrong
  • 4
    Bihar
    Correct
    Wrong
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Answer : 2. "West Bengal"
Explanation :

Answer: B) West Bengal Explanation: West Bengal is the highest Jute producing state in India followed by Bihar and Assam in second and third place. Gujarat is the largest Cotton producing state in India.

Q: According to new federal data released, the US state whose economy has surpassed that of the UK to become the world’s fifth largest was 1598 0

  • 1
    Massachusetts
    Correct
    Wrong
  • 2
    Florida
    Correct
    Wrong
  • 3
    Hawaii
    Correct
    Wrong
  • 4
    California
    Correct
    Wrong
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Answer : 4. "California"
Explanation :

Answer: D) California Explanation: The US state California's  economy has surpassed that of the UK to become the world’s fifth largest, according to new federal data released.   With a GDP of $2.7 trillion, California is now only behind the US, China, Japan and Germany.

Q: Choose the synonym of 'Maelstrom' from the following given words ? 1597 0

  • 1
    Congregation
    Correct
    Wrong
  • 2
    Thunder
    Correct
    Wrong
  • 3
    Miracle
    Correct
    Wrong
  • 4
    Turmoil
    Correct
    Wrong
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Answer : 4. "Turmoil"
Explanation :

Answer: D) Turmoil Explanation: 'Maelstrom' refers to a violent and confused state. The word closest in meaning would be 'turmoil', which also means a state of great disturbance.

Q: In economics, if a good is inelastic, 1597 0

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    its supply or demand is not sensitive to price changes.
    Correct
    Wrong
  • 2
    consumers have lost an interest in purchasing it.
    Correct
    Wrong
  • 3
    producers have lost an interest in manufacturing it.
    Correct
    Wrong
  • 4
    its supply or demand is too sensitive to price changes.
    Correct
    Wrong
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Answer : 1. "its supply or demand is not sensitive to price changes."
Explanation :

Answer: A) its supply or demand is not sensitive to price changes. Explanation: A good that is inelastic does not have very stretchy demand. In economic terms, the quantity demanded does not change a lot when the price changes. What do I mean by "does not change a lot"? If the percent change in quantity demanded is less than the percent change in price, economists label the demand for the good as inelastic.   So, if the price of a good increases by 10 percent and the quantity demanded decreases by only 5 percent, that good is said to have inelastic demand. The quantity demanded does not stretch much relative to the change in price.   Hence, in this case, consumers are not considered very sensitive, or responsive, to a change in the price of that good.

Q: 125 over 1000 in Simplest Form? 1596 0

  • 1
    2/9
    Correct
    Wrong
  • 2
    1/8
    Correct
    Wrong
  • 3
    3/8
    Correct
    Wrong
  • 4
    4/7
    Correct
    Wrong
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Answer : 2. "1/8"
Explanation :

Answer: B) 1/8 Explanation: 125 over 1000 in Simplest Form means 1251000 in its simple fraction form.   Now, to get the simplest form of 125/1000, find the HCF or GCD of both numerator and denominator i.e, 125 and 1000.   HCF of 125, 1000 = 125   Then, divide both numerator and denominator by 125 i.e, 1251251000125 = 18   Hence, 18 is the simplest form of 125 over 1000.

Q: Can you Solve 7 + 7 ÷ 7 + 7 x 7 + 7 - 7 ÷ 7 + 7 x 7 = 1596 0

  • 1
    112
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    98
    Correct
    Wrong
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Answer : 1. "112"
Explanation :

Answer: A) 112 Explanation: 7  + 7 ÷ 7 + 7 x 7 + 7 - 7 ÷ 7 + 7 x 7= 7 + 1 + 49 + 7 - 1 + 49= 8 + 56 + 48= 56 + 56= 112

Q: Sanjeev ranks seventh from the top and twenty eighth from the bottom in a class. How many students are there in the class? 1596 0

  • 1
    33
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    34
    Correct
    Wrong
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Answer : 4. "34"
Explanation :

Answer: D) 34 Explanation: Total number of students in the class = 28 + 6 i.e, from top(7-1) 28 + 6 = 34

Q: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1596 0

  • 1
    134
    Correct
    Wrong
  • 2
    137
    Correct
    Wrong
  • 3
    139
    Correct
    Wrong
  • 4
    141
    Correct
    Wrong
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Answer : 2. "137"
Explanation :

Answer: B) 137 Explanation: This can be done as,   (11 × 92)  -  (5 × 89)  -  (5 × 86)    = 1012- 445 - 430 = 137

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