GATE Practice Question and Answer
8Q: Which of the following is an example of chemical weathering? 1310 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: Are Alternate Exterior Angles congruent? 1307 05b5cc6abe4d2b4197774cfef
5b5cc6abe4d2b4197774cfef- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: We know that, Alternate Exterior Angles Theorem:: The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent . Converse of the Alternate Exterior Angles Theorem :: Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.
Q: The sum of the two digits of a number is 8. If the number is subtracted from the number obtained by reversing its digits, the result is 54. Find the number ? 1307 05b5cc6f8e4d2b4197774f072
5b5cc6f8e4d2b4197774f072- 128false
- 219false
- 337false
- 417true
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Answer : 4. "17"
Explanation :
Answer: D) 17 Explanation: Any two digit number can be written as (10P + Q), where P is the digit in the tens place and Q is the digit in the units place.P + Q = 8 ----- (1)(10Q + P) - (10P + Q) = 549(Q - P) = 54(Q - P) = 6 ----- (2)Solve (1) and (2) P = 1 and Q = 7The required number is = 17
Q: Ozone hole refers to 1306 05b5cc6bbe4d2b4197774d82a
5b5cc6bbe4d2b4197774d82a- 1Decrease in the thickness of ozone layer in Stratospheretrue
- 2Increase in thickness of ozone layerfalse
- 3Decrease in the ozone layer in Tropospherefalse
- 4Hole in the ozone layerfalse
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Answer : 1. "Decrease in the thickness of ozone layer in Stratosphere"
Explanation :
Answer: A) Decrease in the thickness of ozone layer in Stratosphere Explanation:
Q: What will come in place of the question mark (?) in the following question ? 52.5% of 800 + 30.5% of 2800 = ? + 87.30 1304 05b5cc6c1e4d2b4197774db2d
5b5cc6c1e4d2b4197774db2d- 11096.30false
- 21226.70false
- 31124.20false
- 41186.70true
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Answer : 4. "1186.70"
Explanation :
Answer: D) 1186.70 Explanation: 52.5% of 800 + 30.5% of 2800 = ? + 87.30 420 + 854 - 87.30 = ? 1274 - 87.30 = ? ? = 1186.70
Q: If in the following set of numbers, the first and the third digits are interchanged in each number, which number will be second from the end if arranged in ascending order after interchanging the digits ? 585 546 514 404 206 369 1304 05b5cc73de4d2b4197774f92f
5b5cc73de4d2b4197774f92f- 1404false
- 2585false
- 3415true
- 4602false
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Answer : 3. "415"
Explanation :
Answer: C) 415 Explanation: Given numbers are 585 546 514 404 206 369Then interchanging the 1st and 3rd digits of the given numbers, we get585 645 415 404 602 963Now, arranging them in ascending order963 645 602 585 415 404Then the last second number is 415.
Q: A seller charges 28% more from a customer as GST on an article. If customer paid Rs. 4544, what is the cost price of the article? 1304 05b5cc6b9e4d2b4197774d70c
5b5cc6b9e4d2b4197774d70c- 1Rs. 3550true
- 2Rs. 2650false
- 3Rs. 3840false
- 4Rs. 2450false
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Answer : 1. "Rs. 3550"
Explanation :
Answer: A) Rs. 3550 Explanation: Let the cost price of the article be 'P' Then from given data, P + 28P100 = 4544=> 128P = 454400=> P = 3550 Hence, the cost price of the article = P = Rs. 3550
Q: What is the function of an antagonist in a story? 1303 05b5cc636e4d2b4197774ba33
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Answer :
Explanation :
The antagonist is the negative or opposing force in a story. It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear. The antagonist plays an important role in story development.