IIT JEE Practice Question and Answer
8Q: Which of the following is a Non Renewable Resource of Energy? 1460 05b5cc6b3e4d2b4197774d450
5b5cc6b3e4d2b4197774d450- 1Wind Powerfalse
- 2Hydrogen Fuelfalse
- 3Natural Gastrue
- 4Solar Energyfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Natural Gas"
Explanation :
Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices. It is a resource that will not be naturally replenished.
Q: "Light years" is the unit of _____? 1460 05b5cc6bfe4d2b4197774da05
5b5cc6bfe4d2b4197774da05- 1Accelerationfalse
- 2Distancetrue
- 3Light Intensityfalse
- 4Weightfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Distance"
Explanation :
Answer: B) Distance Explanation: A Light-year is a distance that light travels in the vacuum in one Julian year (365.25 days). The light-year is a unit of length used to express astronomical distances. It is about 9.5 trillion kilometers or 5.9 trillion miles.
Q: A is sister of B who is mother of C who is mother of D. E is the grand mother of D. Then how C is related to E ? 1460 05b5cc6e5e4d2b4197774ed60
5b5cc6e5e4d2b4197774ed60- 1Sisterfalse
- 2Daughterfalse
- 3Motherfalse
- 4Daughter-in-lawtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Daughter-in-law"
Explanation :
Answer: D) Daughter-in-law Explanation: GM GMA ---- B ---- E | | C | | D (Grand son or daughter)
Q: ______ was named by the Arabs as City of gold ? 1459 15b5cc6c5e4d2b4197774dd0a
5b5cc6c5e4d2b4197774dd0a- 1Mumbaifalse
- 2Jaipurfalse
- 3Cooch Beharfalse
- 4Multantrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Multan"
Explanation :
Answer: D) Multan Explanation: Mumbai - City of Wealth Jaipur - Pink City Cooch Behar - City of Beauty
Q: Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. In which part of the sentence there is an error ? 1459 05b5cc6e9e4d2b4197774ee37
5b5cc6e9e4d2b4197774ee37- 1He isfalse
- 2Not agreeingfalse
- 3To me.true
- 4No errorfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "To me."
Explanation :
Answer: C) To me. Explanation: Replace 'to' by 'with'.
Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? 1459 05b5cc6eee4d2b4197774eee6
5b5cc6eee4d2b4197774eee6- 13 hrsfalse
- 26 hrstrue
- 37 hrsfalse
- 45 hrsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "6 hrs"
Explanation :
Answer: B) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.
Q: If 35% of a number is 24 less than 50% of that number, then the number is ? 1459 05b5cc6e1e4d2b4197774eba2
5b5cc6e1e4d2b4197774eba2- 180false
- 2160true
- 3100false
- 4120false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "160"
Explanation :
Answer: B) 160 Explanation: Let the number be n. Then, 50% of n - 35% of n = 24 50/100 n - 35/100 n = 24 n = (24 x 100)/15 = 160.
Q: What temperature is considered freezing? 1458 05b5cc69fe4d2b4197774ca32
5b5cc69fe4d2b4197774ca32- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
We have all been taught that water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, 273.15 Kelvin. That's not always the case, though. Scientists have found liquid water as cold as -40 degrees F in clouds and even cooled water down to -42 degrees F in the lab.