IIT JEE Practice Question and Answer

Q: 82.5% of 2360? 2684 0

  • 1
    1960
    Correct
    Wrong
  • 2
    1954
    Correct
    Wrong
  • 3
    1947
    Correct
    Wrong
  • 4
    1931
    Correct
    Wrong
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Answer : 3. "1947"
Explanation :

Answer: C) 1947 Explanation: Given 82.5% of 2360  82.5100 x 2360 = 0.825 x 2360 = 1947

Q: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2682 0

  • 1
    2212
    Correct
    Wrong
  • 2
    2154
    Correct
    Wrong
  • 3
    2349
    Correct
    Wrong
  • 4
    2679
    Correct
    Wrong
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Answer : 4. "2679"
Explanation :

Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679

Q: Cutting and peeling of onion brings tears to the eyes because of the presence of _____ ? 2682 0

  • 1
    Amino acid
    Correct
    Wrong
  • 2
    Sulfur
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Fat
    Correct
    Wrong
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Answer : 2. "Sulfur"
Explanation :

Answer: B) Sulfur Explanation: Cutting and Peeling of onion brings Tears to the eyes because of presence of Sulphur in the cell.

Q: The ratio of Pens and Pencils in a shop is 3 : 2 respectively. The average number of Pens and Pencils is 180. What is the number of Pencils in the shop? 2681 0

  • 1
    444
    Correct
    Wrong
  • 2
    344
    Correct
    Wrong
  • 3
    244
    Correct
    Wrong
  • 4
    144
    Correct
    Wrong
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Answer : 4. "144"
Explanation :

Answer: D) 144 Explanation: Given ratio of pens and pencils = 3 :2 Number of Pens = 3x Number of Pencils = 2x Average number of pencils & Pens = 3x + 2x2 = 180 5x = 360 => x = 72 Hence, the number of pencils = 2x = 72 x 2 = 144.

Q: A number increased by 30% gives 390. The number is 2679 0

  • 1
    180
    Correct
    Wrong
  • 2
    300
    Correct
    Wrong
  • 3
    480
    Correct
    Wrong
  • 4
    260
    Correct
    Wrong
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Answer : 2. "300"
Explanation :

Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

Q: What resulted from the French and Indian war? 2679 0

  • 1
    British lost its Canadian territory
    Correct
    Wrong
  • 2
    France acquired its Canadian territory
    Correct
    Wrong
  • 3
    France lost its Canadian territory
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "France lost its Canadian territory"
Explanation :

Answer: C) France lost its Canadian territory Explanation: The Seven Years’ War, a global conflict known in America as the French and Indian War, ends with the signing of the Treaty of Paris by France, Great Britain, and Spain. The Seven Years’ War ended with the signing of the treaties of Hubertusburg and Paris in February 1763. In the Treaty of Paris, France lost all claims to Canada and gave Louisiana to Spain, while Britain received Spanish Florida, Upper Canada, and various French holdings overseas. The treaty ensured the colonial and maritime supremacy of Britain and strengthened the 13 American colonies by removing their European rivals to the north and the south. The British victory in the French and Indian War had a great impact on the British Empire. Firstly, it meant a great expansion of British territorial claims in the New World. But the cost of the war had greatly enlarged Britain's debt.

Q: Which city is known as "City of Blood" in India ? 2677 0

  • 1
    Jaisalmar
    Correct
    Wrong
  • 2
    Jodhpur
    Correct
    Wrong
  • 3
    Yavatmal
    Correct
    Wrong
  • 4
    Tezpur
    Correct
    Wrong
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Answer : 4. "Tezpur"
Explanation :

Answer: D) Tezpur Explanation: Tezpur is the city in the state of Assam is known as City of Blood.

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Answer : 3. "36"
Explanation :

Answer: C) 36 Explanation: Given 4men, 12 women and 20 children work for  2 days. Workdone for 2 days by 4men, 12 women and 20 children = 4 x 26 x 12 + 12 x 28 x 18 + 20 x 218 x 10 = 12 Therefore, remaining work = 1 - 12 = 12 To complete the same work by only men in 1 day, We know that M1 x D1 = M2 x D2 Here M1 = 6 , D1 = 12 and M2 = M , D2 = 1 12 x 6 = M x 1 => M = 12 x 6 = 72 => But the remaining work = 1/2 Men required => 1/2 x 72 = 36 Only men required to Complete the remaining work in 1 day = 36.

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