IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: 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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उत्तर : 3. "India"
व्याख्या :
Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.
प्र: 3/4 divided by 2 is 1087 05b5cc666e4d2b4197774bed0
5b5cc666e4d2b4197774bed0- 13/2false
- 22/3false
- 38/3false
- 43/8true
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उत्तर : 4. "3/8"
व्याख्या :
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.
प्र: Which of the following is an example of chemical weathering? 1087 05b5cc6a6e4d2b4197774cd38
5b5cc6a6e4d2b4197774cd38- 1Oxidationfalse
- 2Acid rainsfalse
- 3Carbonationfalse
- 4All the abovetrue
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उत्तर : 4. "All the above"
व्याख्या :
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.
प्र: What process never occurs in interphase? 1087 05b5cc62ae4d2b4197774b8c7
5b5cc62ae4d2b4197774b8c7- उत्तर देखें
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उत्तर :
व्याख्या :
Absence of cell division is the process that never comes in interphase.
प्र: When was Barb Wire patented 1087 05b5cc6bae4d2b4197774d7b7
5b5cc6bae4d2b4197774d7b7- 11898false
- 21868false
- 31874true
- 41866false
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उत्तर : 3. "1874"
व्याख्या :
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.
प्र: 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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उत्तर : 2. "1st April 2018"
व्याख्या :
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).
प्र: 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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उत्तर : 2. "29.25 hrs"
व्याख्या :
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
प्र: 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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उत्तर : 1. "TRUE"
व्याख्या :
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.