IIT JEE Practice Question and Answer

Q: Diversification is important in investing because 1875 0

  • 1
    It ensures that you only make low-risk investments.
    Correct
    Wrong
  • 2
    It helps you to balance your risk across different types of investments.
    Correct
    Wrong
  • 3
    It helps you gain the highest rate of return despite any risks.
    Correct
    Wrong
  • 4
    It increases your overall risk, which guarantees that you will make more money.
    Correct
    Wrong
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Answer : 2. "It helps you to balance your risk across different types of investments."
Explanation :

Answer: B) It helps you to balance your risk across different types of investments. Explanation:

Q: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other  ? 1874 0

  • 1
    3:16 7/11
    Correct
    Wrong
  • 2
    3:16 11/4
    Correct
    Wrong
  • 3
    3:30
    Correct
    Wrong
  • 4
    3:16 4/11
    Correct
    Wrong
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Answer : 4. "3:16 4/11"
Explanation :

Answer: D) 3:16 4/11 Explanation: Coincide means 00  angle. This can be calculated using the formulafor time A to B means  [11m/2 - 30 (A)] Here m gives minutes after A the both hands coincides. Here A = 3, B = 4 0 =11m/2 –30 × 311m = 90 × 2 = 180m= 180/11 = 16 4/11 So time = 3 : 16 4/11

Q: What is the time required to punch 1500 cards of 45 column each at the rate of 9,000 punches per hour ? 1873 0

  • 1
    8 hrs
    Correct
    Wrong
  • 2
    7 hrs 15 min
    Correct
    Wrong
  • 3
    7 hrs 30 min
    Correct
    Wrong
  • 4
    8 hrs 20 min
    Correct
    Wrong
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Answer : 3. "7 hrs 30 min"
Explanation :

Answer: C) 7 hrs 30 min Explanation: Total number of cards = 1500total columns = 45so, total punches=1500 x 45 = 67500for 1 hour if we make 9000 punches, we require 67500/9000 = 7.5so 7hours:30mins.

Q: The Rain Shadow Effect is associated with 1873 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 air is lifted as it moves over a mountain 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.   Some also falls a short distance downwind of the ridge and is sometimes called spillover. On the lee side of the mountain range, rainfall is usually low, and the area is said to be in a Rain Shadow.

Q: In following number series only one number is wrong. Find out that wrong or odd number in the series? 6, 78, 858, 7722, 54055, 270270 1873 0

  • 1
    270270
    Correct
    Wrong
  • 2
    54055
    Correct
    Wrong
  • 3
    7722
    Correct
    Wrong
  • 4
    858
    Correct
    Wrong
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Answer : 2. "54055"
Explanation :

Answer: B) 54055 Explanation: Here the given series follows a pattern that, multiplying the number with odd numbers in decreasing order starting with 13. That is,   6 × 13 = 78   65 × 11 = 858   858 × 9 = 7722   7722 × 7 = 54054   54054 × 5 = 270270   Hence, the wrong number is 54055

Q: Cactus Spines are Modified 1873 0

  • 1
    Stems
    Correct
    Wrong
  • 2
    Branches
    Correct
    Wrong
  • 3
    Leaves
    Correct
    Wrong
  • 4
    Roots
    Correct
    Wrong
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Answer : 3. "Leaves"
Explanation :

Answer: C) Leaves Explanation: Cactus spines are also known as modified bud scales, which are also called modified leaves.   Cactus spines occur in clusters in the axil of leaves.

Q: Find the next number in the given number series? 2, 19, 0, 21, –2, ? 1872 0

  • 1
    23
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    29
    Correct
    Wrong
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Answer : 1. "23"
Explanation :

Answer: A) 23 Explanation: The given number series 2, 19, 0, 21, –2, ? follows a pattern, 2 2 + 17 = 19 19 - 19 = 0 0 + 21 = 21 21 - 23 = -2 -2 + 25 = 23   Hence, the next number in the series is 23.

Q: How can investors receive compounding returns? 1872 0

  • 1
    By investing their earnings back into their original investment
    Correct
    Wrong
  • 2
    By diversifying their investment portfolio
    Correct
    Wrong
  • 3
    By selecting a savings account that has a higher interest rate
    Correct
    Wrong
  • 4
    By transferring their earnings back into high-risk investment
    Correct
    Wrong
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Answer : 1. "By investing their earnings back into their original investment"
Explanation :

Answer: A) By investing their earnings back into their original investment Explanation:

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