IIT JEE Practice Question and Answer

Q: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 1729 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "7"
Explanation :

Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

Q: In a compound, chemical energy is contained in the 1729 0

  • 1
    bonds
    Correct
    Wrong
  • 2
    movement of the electrons
    Correct
    Wrong
  • 3
    unbonded electrons
    Correct
    Wrong
  • 4
    nuclei of the atoms
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "bonds"
Explanation :

Answer: A) bonds Explanation: chemical energy is contained in the chemical bonds between the reactants in the chemical compounds.

Q: An express train takes 4 seconds to enter tunnel which is 1 km long. If it is traveling at 108 km an hour, how long will it take to pass completely through the tunnel ? 1729 0

  • 1
    33 sec
    Correct
    Wrong
  • 2
    37.33 sec
    Correct
    Wrong
  • 3
    36.43 sec
    Correct
    Wrong
  • 4
    32 sec
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "37.33 sec"
Explanation :

Answer: B) 37.33 sec Explanation: Speed = 108 km/hrenter a tunnel,, means that the train covers a distance equal to its own lengthso (108 x 5/18) = x/4 where x= length of trainhence x = 120 mtrsto pass completely train has to travel a distance = (x + tunnel length) that is 1120 mtrs.so (1120/t) = (108x5/18)t = 37.33 sec

Q: What is true about personal financial planning? 1729 0

  • 1
    Personal financial planning is the process of creating and achieving financial goals
    Correct
    Wrong
  • 2
    Our financial decisions decrease once we reach adulthood
    Correct
    Wrong
  • 3
    A family's resources are unlimited
    Correct
    Wrong
  • 4
    There are two means for achieving financial goals—you either need to increase your spending or reduce savings
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Personal financial planning is the process of creating and achieving financial goals"
Explanation :

Answer: A) Personal financial planning is the process of creating and achieving financial goals Explanation: Personal financial planning is the process of creating and achieving financial goals.   True statements regarding personal financial planning: As we age, the number and complexity of the financial decisions that we make increases. There are two means for achieving financial goals—you either need to increase your savings or reduce spending. A family's resources are limited.

Q: Find the next number in the given number series? 0, 3, 8, 15, 24, ? 1728 0

  • 1
    35
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    34
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "35"
Explanation :

Answer: A) 35 Explanation: Here the given number series is 0, 3, 8, 15, 24, ? The next number in the given series can be found such a way that the number series follows a pattern, 22 - 4 = 032 - 6 = 342  - 8 = 852 - 10 = 1562 - 12 = 2472 - 14 = 35Hence, the next number in the iven series is 35.

Q: What was the symbol of death of gautama buddha? 1728 0

  • 1
    Stupa
    Correct
    Wrong
  • 2
    Bodhi tree
    Correct
    Wrong
  • 3
    Lion
    Correct
    Wrong
  • 4
    Chaitya
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Stupa"
Explanation :

Answer: A) Stupa Explanation: Stupa represents the symbol of death of Gautama Buddha. On the other hand, Bodhi Tree is the symbol of nirvana of Gautama Buddha.

Q: Namitha sold a powerbank which is at the cost of Rs. 1950 at a loss of 25%. Find at what cost will she have to sell it to get a profit of 25%? 1728 0

  • 1
    Rs. 3680
    Correct
    Wrong
  • 2
    Rs. 3560
    Correct
    Wrong
  • 3
    Rs. 3320
    Correct
    Wrong
  • 4
    Rs. 3250
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Rs. 3250"
Explanation :

Answer: D) Rs. 3250 Explanation: Let the Cost price of the powerbank = Rs. P But given that by selling it at Rs. 1950, it gives a loss of 25% => P x 75100 = 1950=>P = 1950 x 10075 = Rs. 2600Now, to get a profit of 25% Selling Price = 2600 x 125100 = Rs. 3250.

Q: 'The Race of my Life' the Autobiography has been co-authored by Milkha Singh's daughter, whose name is ____ ? 1728 0

  • 1
    Sonia Sanwalka
    Correct
    Wrong
  • 2
    Mankhia Singh
    Correct
    Wrong
  • 3
    Sanjitia Sardar
    Correct
    Wrong
  • 4
    Poonam Dillo
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Sonia Sanwalka"
Explanation :

Answer: A) Sonia Sanwalka Explanation:

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully