IIT JEE Practice Question and Answer

Q: A thief goes away with a MARUTHI car at a speed of 40 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start ? 8335 0

  • 1
    2 hrs 10 min
    Correct
    Wrong
  • 2
    2 hrs
    Correct
    Wrong
  • 3
    2 hrs 5 min
    Correct
    Wrong
  • 4
    2 hrs 30 min
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "2 hrs"
Explanation :

Answer: B) 2 hrs Explanation: |-----------20--------------------|50                           40 Difference = 20kms Relative Speed = 50 – 40 = 10 kmph Time = 20/10 = 2 hours.

  • Show Answer
  • Workspace

Answer : 2. "90"
Explanation :

Answer: B) 90 Explanation: Let number of 2 wheelers be 'x'and 4 wheelers be 'y' Given total number of vehicles = 200i.e, x + y = 200 ....(1) Given total number of wheels = 580i.e, 2x + 4y = 580 ...(2) By solving (1)&(2), we get y = 90=> x = 110 Therefore, number of two wheelers = 110number of four wheelers = 90

Q: "Senses are the gateways of knowledge" was emphasised by 8205 0

  • 1
    Gurunanak
    Correct
    Wrong
  • 2
    Rousseau
    Correct
    Wrong
  • 3
    Confucius
    Correct
    Wrong
  • 4
    Mahaveera
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "Rousseau"
Explanation :

Answer: B) Rousseau Explanation: The Five senses that we have are: Sight, smell, hear, touch and taste. Rousseau emphasised that "Senses are the gateways of knowledge".

Q: Which of the following birds is the state bird of three Indian states ? 8166 0

  • 1
    Great Hornbill
    Correct
    Wrong
  • 2
    Greater Flamingo
    Correct
    Wrong
  • 3
    Hill Mynah
    Correct
    Wrong
  • 4
    Blue Jay (Indian Roller)
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 4. "Blue Jay (Indian Roller)"
Explanation :

Answer: D) Blue Jay (Indian Roller) Explanation: The 3 states are Andhra Pradesh, Karnataka and Odisha.

Q: What do you understand by - 'If K is there L has to be there' 8087 0

  • 1
    K & L will always be together
    Correct
    Wrong
  • 2
    K is not there, then L will not be there
    Correct
    Wrong
  • 3
    k is there, then L will also be there
    Correct
    Wrong
  • 4
    K & L will always be not together
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 3. "k is there, then L will also be there"
Explanation :

Answer: C) k is there, then L will also be there Explanation: This would not mean that K and L will always be together. It just implies that, if K is there, then L will also be there. At the same time, it can happen that L is there but K isn't. Remember, the condition is on K, not on L.

Q: How many days are there in k weeks k days ? 8059 0

  • 1
    8+k days
    Correct
    Wrong
  • 2
    7+1k days
    Correct
    Wrong
  • 3
    8k days
    Correct
    Wrong
  • 4
    7/k days
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 3. "8k days"
Explanation :

Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

Q: In latest generation computers, the instructions are executed 8048 0

  • 1
    Sequentially only
    Correct
    Wrong
  • 2
    Both sequentially and parallelly
    Correct
    Wrong
  • 3
    Parallelly only
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 2. "Both sequentially and parallelly"
Explanation :

Answer: B) Both sequentially and parallelly Explanation:

Q: Which city is known as 'Gold capital of the world' ? 8023 1

  • 1
    Johannesburg
    Correct
    Wrong
  • 2
    Paris
    Correct
    Wrong
  • 3
    Dubai
    Correct
    Wrong
  • 4
    Saudi
    Correct
    Wrong
  • Show Answer
  • Workspace

Answer : 1. "Johannesburg"
Explanation :

Answer: A) Johannesburg 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