GATE Practice Question and Answer
8Q: Find the next number in the following number series? 410, 409, 413, 404, ? 2147 05b5cc662e4d2b4197774bea6
5b5cc662e4d2b4197774bea6- 1412false
- 2415false
- 3418false
- 4420true
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Answer : 4. "420"
Explanation :
Answer: D) 420 Explanation: The given number series 410, 409, 413, 404, ? , follows a pattern that 410 410 - 13 = 409409 + 22 = 413413 - 33 = 404404 + 42 = 420 Hence, the next number in the given series is 420.
Q: A room contains 3 brown, 5 black and 4 white chairs. Two chairs are picked and are put in the lawn. What is the probability that none of the chairs picked is white ? 2147 05b5cc6c5e4d2b4197774ddbe
5b5cc6c5e4d2b4197774ddbe- 114/33true
- 214/55false
- 312/55false
- 413/33false
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Answer : 1. "14/33"
Explanation :
Answer: A) 14/33 Explanation: Total number of chairs = (3 + 5 + 4) = 12. Let S be the sample space. Then, n(s)= Number of ways of picking 2 chairs out of 12 = 12×11/2×1 = 66 Let n(E) = number of events of selecting 2 chairs for selecting no white chairs. => 8C2 = 8×7/2×1 = 28 Therefore required probability = 28/66 = 14/33.
Q: Rearrange the following sentences ( 2146 05b5cc6c8e4d2b4197774df4b
5b5cc6c8e4d2b4197774df4b- 1, (false
- 2, (true
- 3, (false
- 4, (E) and (F) in the proper sequence to form a meaningful paragraph. (false
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Answer : 2. ", ("
Explanation :
Answer: B) E C F A D B Explanation:
Q: Which Indian city is named after the snake Anantha of Lord Vishnu? 2146 05b5cc683e4d2b4197774c2b6
5b5cc683e4d2b4197774c2b6- 1Trivandrumtrue
- 2Tiruchirappallifalse
- 3Tanjavorefalse
- 4Vellorefalse
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Answer : 1. "Trivandrum"
Explanation :
Answer: A) Trivandrum Explanation: Thiruvananthapuram also known as Trivandrum, is the capital and the largest city of the Indian state of Kerala is named after the snake Anantha of Lord Vishnu.
Q: which of the following statements are correct 2146 05b5cc6b8e4d2b4197774d65f
5b5cc6b8e4d2b4197774d65f- 1Sir Richard Arkwright - Father of industrial revolutionfalse
- 2Michael Faraday - Discovered Benzene and invented Bunsen Burnerfalse
- 3Thomas Alva Edison - phonograph and motion picture camerafalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Inventors and their Inventions :: Sir Richard Arkwright - Father of industrial revolution. Michael Faraday - Discovered Benzene and invented Bunsen Burner. Thomas Alva Edison - Invented Phonograph and motion picture camera.
Q: The percentage of irrigated land in India is about 2146 05b5cc6bae4d2b4197774d7b2
5b5cc6bae4d2b4197774d7b2- 166%false
- 235%true
- 371%false
- 422%false
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Answer : 2. "35%"
Explanation :
Answer: B) 35% Explanation: According to World Bank Indicator India - Land use: Agriculture Land - 1797090 sq. Km (about 60.4%). Forest Area - 677598 sq. Km. (about 22.08%). Agriculture Irrigated land - 35 %.
Q: Arrange the following words in an appropriate order 1. Rainbow 2. Rain 3. Sun 4. Happy 5. Child 2144 05b5cc745e4d2b4197774fa59
5b5cc745e4d2b4197774fa59- 14, 2, 3, 5, 1false
- 24, 5, 1, 2, 3false
- 32, 1, 4, 5, 3false
- 42, 3, 1, 5, 4true
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Answer : 4. "2, 3, 1, 5, 4"
Explanation :
Answer: D) 2, 3, 1, 5, 4 Explanation: Firstly Rain falls and then Sun comes and Rainbow forms. After that Child sees the rainbow and feels Happy.
Q: If a barometric reading is falling, this usually indicates what 2143 05b5cc6a5e4d2b4197774ccc6
5b5cc6a5e4d2b4197774ccc6- 1Increasing pressurefalse
- 2Decreasing pressuretrue
- 3No pressurefalse
- 4Nonefalse
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Answer : 2. "Decreasing pressure"
Explanation :
Answer: B) Decreasing pressure Explanation: A barometer is a tool that measures air pressure A rising barometer indicates increasing air pressure, a falling barometer indicates decreasing air pressure. In space, there is a nearly complete vacuum, so the air pressure is zero.

