IIT JEE Practice Question and Answer

Q: What is located at 180 degrees longitude? 1624 0

  • 1
    Fiji
    Correct
    Wrong
  • 2
    Russia
    Correct
    Wrong
  • 3
    Antarctica
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres. It is common to both east longitude and west longitude. It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

Q: Which property classification would include tools? 1624 0

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Answer :
Explanation :

Durable property classification would include tools.  Nonexpendable property is property which has a continuing use, is not consumed in use, is of a durable nature with an expected service life of one or more years, has an acquisition cost of $300 or more, and does not become a fixture or lose its identity as a component of other equipment or plant.

Q: What event resulted in the creation of NASA? 1623 0

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Answer :
Explanation :

It has been said that the creation of NASA was due to the space exploration race between the US and the Soviet Union. One of the drives to the creation of NASA is the launching of Sputnik on October 4, 1957.   Since then, further explorations have been made by the agency.

Q: Which state announced the shift of financial year from March - April to Jan - December  ? 1623 0

  • 1
    Assam
    Correct
    Wrong
  • 2
    Goa
    Correct
    Wrong
  • 3
    Kerala
    Correct
    Wrong
  • 4
    Madhya Pradesh
    Correct
    Wrong
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Answer : 4. "Madhya Pradesh"
Explanation :

Answer: D) Madhya Pradesh Explanation:

Q: An item is sold at a loss of 10%. Had it sold for Rs. 9 more, a profit of 25/2% would have gained. What is the cost price of the item? 1623 0

  • 1
    Rs. 90
    Correct
    Wrong
  • 2
    Rs. 75
    Correct
    Wrong
  • 3
    Rs. 55
    Correct
    Wrong
  • 4
    Rs. 40
    Correct
    Wrong
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Answer : 4. "Rs. 40"
Explanation :

Answer: D) Rs. 40 Explanation: Let the cost price of the item = Rs. 50 Sold at 10% loss => for Rs. 50 loss  S.P = Rs. 45 From the  given data, 25/2 % gain if it is sold at Rs. 9 more 56.25 - 45 = 9 => 11.25 = 9 => 22.5 = 18 => 45 = 36 => 50 = ? => C.P = 50 x 3645 = 40   Hence, the Cost price of the item = Rs. 40.

Q: A farmer divides his herd of k cows among his 4 sons, so that one son gets one half of the herd, the second gets one-fourth, the third gets one-fifth and the fourth gets 9 cows. Then k is equal to ? 1623 0

  • 1
    160
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    140
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 4. "180"
Explanation :

Answer: D) 180 Explanation: Given total number of cows = kNow, 1st son share = k/22nd son share = k/43rd son share = k/54th son share = 9 (k) + (k/4) + (k/5) + 9 = k=> k - (19k/20) = 9=> (20k-19k)/20 = 9=> k = 180.

Q: The breadth of a rectangular field is 75% of its length. If perimeter of the field is 1050 m, what will be th area of field ? 1622 0

  • 1
    65700 sq.m
    Correct
    Wrong
  • 2
    54500 sq.m
    Correct
    Wrong
  • 3
    78700 sq.m
    Correct
    Wrong
  • 4
    67500 sq.m
    Correct
    Wrong
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Answer : 4. "67500 sq.m"
Explanation :

Answer: D) 67500 sq.m Explanation: Let the length be 'l' and breadth be 'b'. b = l × 3/4__________(a) 2(l+b) = 1050 l+b = 525___________(b) From equations (a) and (b), l = 300m, b = 225 m Area = l × b = 300 × 225 = 67500 sq.m.

Q: What do lines of latitude measure? 1622 0

  • 1
    east-west position between the poles
    Correct
    Wrong
  • 2
    north-south position between the poles
    Correct
    Wrong
  • 3
    north-east position between the poles
    Correct
    Wrong
  • 4
    south-west position between the poles
    Correct
    Wrong
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Answer : 2. "north-south position between the poles"
Explanation :

Answer: B) north-south position between the poles Explanation: Lines of latitude measure north-south position between the poles.   Lines of latitude are imaginary reference lines that describe how far north or south a location on the Earth is from the Equator. The equator is defined as 0 degrees, the North Pole is 90 degrees north, and the South Pole is 90 degrees south. Lines of latitude are all parallel to each other, thus they are often referred to as parallels.

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