IIT JEE Practice Question and Answer

Q: Prashanth sold a album for $ 735 and made a profit of 22.5% . The cost price of the album went up by $120 and so Prashanth increased the selling price by $120. What is his profit % now ? 1721 0

  • 1
    19.32 %
    Correct
    Wrong
  • 2
    18.75 %
    Correct
    Wrong
  • 3
    21.41 %
    Correct
    Wrong
  • 4
    22 %
    Correct
    Wrong
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Answer : 2. "18.75 %"
Explanation :

Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.

Q: Localized area of pus formation in the lungs is 1721 0

  • 1
    Pulmonary embolism
    Correct
    Wrong
  • 2
    Pulmonary abscess
    Correct
    Wrong
  • 3
    Pleurisy
    Correct
    Wrong
  • 4
    Pulmonary edema
    Correct
    Wrong
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Answer : 2. "Pulmonary abscess"
Explanation :

Answer: B) Pulmonary abscess Explanation: Pulmonary abscess is a type of liquefactive necrosis of the lung tissue.┬а ┬а Hence,┬аLocalized area of pus formation in the lungs is┬аPulmonary abscess.

Q: Find the Next Number in the given number series? 3, 10.5, 36.75, 128.625, ? 1721 0

  • 1
    450.187
    Correct
    Wrong
  • 2
    442.151
    Correct
    Wrong
  • 3
    441.231
    Correct
    Wrong
  • 4
    456.852
    Correct
    Wrong
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Answer : 1. "450.187"
Explanation :

Answer: A) 450.187 Explanation: Pattern is 3 3 x 3.5 = 10.5 10.5 x 3.5 = 36.75 36.75 x 3.5 = 128.625 128.625 x 3.5 = 450.187

Q: Addis Ababa is the Capital city of 1720 0

  • 1
    Angola
    Correct
    Wrong
  • 2
    Burundi
    Correct
    Wrong
  • 3
    Chile
    Correct
    Wrong
  • 4
    Ethiopia
    Correct
    Wrong
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Answer : 4. "Ethiopia"
Explanation :

Answer: D) Ethiopia Explanation: The Capital city of┬аEthiopia is┬аAddis Ababa. ┬а Countries and Capital cities :: Angola┬а -┬а Launda Burundi┬а -┬а Bujumbura Chile┬а -┬а Santiago

Q: The Magna Carta established the rights of 1720 0

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Answer :
Explanation :

The Magna Carta has long been cited as the original source for such documents as the United States Constitution. It was a document that presented ideas that were progressive beyond its time, one that still bears relevance today. The Magna Carta primarily established the rights of 13th-century English citizens. It granted protection from unlawful imprisonment and swift justice, which established the idea that everybody, including the king, was subject to the letter of the law.

Q: Which statement about capillaries is correct? 1720 0

  • 1
    their walls are covered with cilia
    Correct
    Wrong
  • 2
    they warm and humidify inhaled air
    Correct
    Wrong
  • 3
    their walls are only one cell thick
    Correct
    Wrong
  • 4
    they move mucus through the lungs
    Correct
    Wrong
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Answer : 3. "their walls are only one cell thick"
Explanation :

Answer: C) their walls are only one cell thick Explanation: Capillaries Tiny blood vessels connecting arteries to veins. These blood vessels carry oxygen and nutrients to individual cells. Capillaries are the smallest blood vessels in the body, and have walls only one or two cells thick. (Their diameter is 5 to 10 micrometers, or 5 to 10 millionths of a meter.) ┬а Capillaries connect arterioles and venules, which are the smaller extensions of the larger arteries and veins.

Q: The cotton gin was an important invention because 1720 0

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Answer :
Explanation :

Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber. ┬а Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.

Q: The Rain Shadow Effect is associated with 1720 1

  • 1
    Convectional rainfall
    Correct
    Wrong
  • 2
    Frontal rainfall
    Correct
    Wrong
  • 3
    Cyclonic rainfall
    Correct
    Wrong
  • 4
    Orographic rainfall
    Correct
    Wrong
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Answer : 4. "Orographic rainfall"
Explanation :

Answer: D) Orographic rainfall Explanation: Orographic precipitation or Rain produced when moist┬аair┬аis lifted as it moves over a┬аmountain range. As the air rises and cools, orographic clouds form and serve as the source of the precipitation, most of which falls upwind of the mountain ridge. ┬а Some also falls a short distance downwind of the ridge and is sometimes called┬аspillover. On the lee side of the mountain range, rainfall is usually low, and the area is said to be in a Rain Shadow.

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