IIT JEE Practice Question and Answer
8Q: According to a survey, which country has become the second largest smartphone market in the world? 1088 05b5cc6bfe4d2b4197774da92
5b5cc6bfe4d2b4197774da92- 1Japanfalse
- 2Chinafalse
- 3Indiatrue
- 4USAfalse
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Answer : 3. "India"
Explanation :
Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.
Q: 3/4 divided by 2 is 1087 05b5cc666e4d2b4197774bed0
5b5cc666e4d2b4197774bed0- 13/2false
- 22/3false
- 38/3false
- 43/8true
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Answer : 4. "3/8"
Explanation :
Answer: D) 3/8 Explanation: 3/4 divided by 2 = 3/4/2 = 3/4x2 = 3/8. Hence, 3/4 divided by 2 is equal to 3/8.
Q: Which of the following is an example of chemical weathering? 1087 05b5cc6a6e4d2b4197774cd38
5b5cc6a6e4d2b4197774cd38- 1Oxidationfalse
- 2Acid rainsfalse
- 3Carbonationfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Chemical weathering is what happens when rocks are broken down and chemically altered. Chemical weathering is the breakdown of rocks by chemical reactions. Chemical weathering involves changes in the chemical composition of the existing rock to form new rock. Some examples of chemical weathering are hydrolysis, oxidation, carbonation, dissolution, etc.
Q: What process never occurs in interphase? 1087 05b5cc62ae4d2b4197774b8c7
5b5cc62ae4d2b4197774b8c7- Show Answer
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Answer :
Explanation :
Absence of cell division is the process that never comes in interphase.
Q: When was Barb Wire patented 1087 05b5cc6bae4d2b4197774d7b7
5b5cc6bae4d2b4197774d7b7- 11898false
- 21868false
- 31874true
- 41866false
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Answer : 3. "1874"
Explanation :
Answer: C) 1874 Explanation: Joseph F. Glidden - Father of Barbed Wire. Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.
Q: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1086 05b5cc669e4d2b4197774bf3b
5b5cc669e4d2b4197774bf3b- 11st March 2018false
- 21st April 2018true
- 31st May 2018false
- 41st January 2018false
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Answer : 2. "1st April 2018"
Explanation :
Answer: B) 1st April 2018 Explanation: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).
Q: A Tank is normally filled in 9 hours but takes four hours longer to fill because of a leak in its bottom. If the tank is full, the leak will empty it in ? 1085 05b5cc6d4e4d2b4197774e5b1
5b5cc6d4e4d2b4197774e5b1- 132.5 hrsfalse
- 229.25 hrstrue
- 330.30 hrsfalse
- 431 hrsfalse
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Answer : 2. "29.25 hrs"
Explanation :
Answer: B) 29.25 hrs Explanation: Let the leak will empty the tank in x hrs Then, 1/9 - 1/x = 1/13 x = 29.25 hrs
Q: Draw the conclusion from the following sentences 1. Apartments in the Riverdale Manor cost less than apartments in The Gaslight Commons.2. Apartments in the Livingston Gate cost more than apartments in the The Gaslight Commons.3. Of the three apartment buildings, the Livingston Gate costs the most. If the first two statements are true, the third statement is 1085 05b5cc6eee4d2b4197774ef0e
5b5cc6eee4d2b4197774ef0e- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: Since the Gaslight Commons costs more than the Riverdale Manor and the Livingston Gate costs more than the Gaslight Commons, it is true that the Livingston Gate costs the most.