GATE Practice Question and Answer
8Q: मेरे पैर हैं, लेकिन मैं चल नहीं सकता। मैं कौन हूँ? 2563 05b5cc601e4d2b4197774b485
5b5cc601e4d2b4197774b485- 1ड्रैगनफलीज़true
- 2झींगेfalse
- 3हाउसफलीज़false
- 4उपरोक्त सभीfalse
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Answer : 1. "ड्रैगनफलीज़"
Explanation :
Answer: A) Dragonflies व्याख्या: Dragonflies के पैर होते हैं लेकिन वे चल नहीं सकते।
Q: Name a common greenhouse gas containing only hydrogen and oxygen? 2561 05b5cc699e4d2b4197774c675
5b5cc699e4d2b4197774c675- 1CH4false
- 2O3false
- 3H2Otrue
- 4NOfalse
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Answer : 3. "H2O"
Explanation :
Answer: C) H2O Explanation: The common greenhouse gas containing only hydrogen and oxygen is H2O, this is water vapor. The common greenhouse gases are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. The composition (chemical formula) of those gases are: Water vapor: H2OCarbon dioxide: CO2Methane: CH4Nitrous oxide: NOOzone: O3. As you see the only one of those that contains only hydrogen and oxygen is H2O, water vapor.
Q: Which of the following is a Heterogeneous Mixture? 2559 05b5cc6b5e4d2b4197774d50b
5b5cc6b5e4d2b4197774d50b- 1Airfalse
- 2Table saltfalse
- 3Sodatrue
- 4Brassfalse
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Answer : 3. "Soda"
Explanation :
Answer: C) Soda Explanation: Here Soda is a Heterogenous Mixture. A Heterogeneous Mixture is a mixture having a non-uniform composition i.e, the mixture contains components in different phases. Using various means, the parts in the mixture can be separated from one another.
Q: Two Fathers and Two Sons walk into a ice cream parlour. They each buy something for Rs. 50 but they only spent Rs. 150. How is that possible? 2555 05b5cc6b3e4d2b4197774d413
5b5cc6b3e4d2b4197774d413- Show AnswerHide Answer
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Answer :
Explanation :
One grandfather, One father and One son makes two fathers and two sons.
Q: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2552 05b5cc75ce4d2b4197774fc20
5b5cc75ce4d2b4197774fc20- 1Wednesdaytrue
- 2Tuesdayfalse
- 3Fridayfalse
- 4Thursdayfalse
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Answer : 1. "Wednesday"
Explanation :
Answer: A) Wednesday Explanation: The year 2006 is an ordinary year. So, it has 1 odd day.So, the day on 24th Nov, 2007 will be 1 day beyond the day on 24th Nov, 2006.But, 24th Nov, 2007 is Thursday. 24 - 10 = 14 days. Therefore, 2 weeks ago it is same day. Thus, 10th Nov, 2006 is one day before 10th Nov, 2007 i.e. it is Wednesday.
Q: The cost of 7 tables and 12 chairs is Rs 48,250. What is the cost of 21 tables and 36 chairs ? 2552 05b5cc718e4d2b4197774f4cc
5b5cc718e4d2b4197774f4cc- 1Rs. 1,44,750true
- 2Rs. 2,35,745false
- 3Rs. 89,489false
- 4Rs.74,256false
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Answer : 1. "Rs. 1,44,750"
Explanation :
Answer: A) Rs. 1,44,750 Explanation: 3T+12C = 48,250----(1) 21T+36C = ? multiply eq (1) with 3i.e,, 3(7T+12C) = 48,250*321T+36C = 1,44,750/-
Q: 'A' sold an article to 'B' at a profit of 20%. 'B' sold the same article to 'C' at a loss of 25% and 'C' sold the same article to 'D' at a profit of 40%. If 'D' paid Rs 252 for the article, then find how much did 'A' pay for it? 2549 05b5cc75ee4d2b4197774fca2
5b5cc75ee4d2b4197774fca2- 1Rs.196false
- 2Rs.210false
- 3Rs.200true
- 4Rs.235false
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Answer : 3. "Rs.200"
Explanation :
Answer: C) Rs.200 Explanation: Let the article costs 'X' to ACost price of B = 1.2XCost price of C = 0.75(1.2X) = 0.9XCost price of D = 1.4(0.9X) = 1.26X = 252Amount paid by A for the article = Rs. 200.
Q: Planet : Orbit :: Projectile : ? 2548 05b5cc66de4d2b4197774bf9b
5b5cc66de4d2b4197774bf9b- 1Pathfalse
- 2Milky wayfalse
- 3Trackfalse
- 4Trajectorytrue
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Answer : 4. "Trajectory"
Explanation :
Answer: D) Trajectory Explanation: The path traced by planet is called Orbit. Similarly, the path traced by projectile is called Trajectory. Hence, Planet : Orbit : : Projectile : Trajectory.