GATE Practice Question and Answer
8Q: If (2a + 3b)/(5a - 3b) = 23/5 , then the value of ba is ? 2689 05b5cc761e4d2b4197774fd39
5b5cc761e4d2b4197774fd39- 15false
- 24false
- 320true
- 428false
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Answer : 3. "20"
Explanation :
Answer: C) 20 Explanation: Given (2a + 3b)/(5a - 3b) = 23/5 => 10a + 15b = 115a - 69b=> 105a = 84b => 5a = 4b a/b = 4/5 => a=4 & b=5=> bxa = 5x4 = 20.
Q: The sum of three consecutive odd numbers is 93. What is the middle number? 2689 05b5cc6b7e4d2b4197774d5e7
5b5cc6b7e4d2b4197774d5e7- 131true
- 233false
- 329false
- 427false
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Answer : 1. "31"
Explanation :
Answer: A) 31 Explanation: Let the three consecutive odd numbers be x, x+2, x+4 Then, x + x + 2 + x + 4 = 93 => 3x + 6 = 93 => 3x = 87 => x = 29 => 29, 31, 33 are three consecutive odd numbers. Therefore, the middle number is 31.
Q: What is always coming but never arrives? 2687 05b5cc68be4d2b4197774c3b5
5b5cc68be4d2b4197774c3b5- Show AnswerHide Answer
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Answer :
Explanation :
It is Tomorrow. It always be tomorrow which represents coming but never arrives.
Q: What comes next in this sequence 196, 169, 144, 121, 100, 81, ? 2686 05b5cc6ade4d2b4197774d13e
5b5cc6ade4d2b4197774d13e- 177false
- 274false
- 367false
- 464true
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Answer : 4. "64"
Explanation :
Answer: D) 64 Explanation: The given number series follows a pattern that 196, 169, 144, 121, 100, 81, ? -27 -25 -23 -21 -19 -17 => 81 - 17 = 64 Therefore, the series is 196, 169, 144, 121, 100, 81, 64.
Q: P, Q and R secured 45%, 50% and 60% marks respectively in Biology. M’s marks in Biology is 12.5 more than P’s marks and 4 less than R’s marks. Find out the individual marks of four students. A. For the students, total marks obtained for Biology is 311.5.B. Total of M’s and P’s marks in Biology is 147.5.C. R has obtained 84 marks. 2685 05b5cc69fe4d2b4197774c9ec
5b5cc69fe4d2b4197774c9ec- 1Only Cfalse
- 2Only A & Bfalse
- 3All are requiredfalse
- 4None of the statements is requiredtrue
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Answer : 4. "None of the statements is required"
Explanation :
Answer: D) None of the statements is required Explanation: From the given data, (60 - 45)% = 12.5 + 415% = 16.5=> 100% = ?100% = 16.5 x 100/15 = 110 Hence, P = 45% of 110 = 45x110/100 = 49.5 Q = 50% of 110 = 55R = 60% of 110 = 60 x 110/100 = 66M = 12.5 + 49.5 = 62 or 66 - 4 = 62 Hence, no statement is required to answer.
Q: The Good Governance Day (GGD) is observed on which day in India? 2683 05b5cc777e4d2b419777500e3
5b5cc777e4d2b419777500e3- 1December 22false
- 2December 25true
- 3D) is observed on which day in India? A) December 22 B) December 25 C)false
- 4is observed on which day in India? A) December 22 B) December 25 C) December 21 D) December 24false
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Answer : 2. "December 25"
Explanation :
Answer: B) December 25 Explanation: The Good Governance Day (GGD) is observed every year in India on the eve of the birth anniversary of former Prime Minister Atal Bihari Vajpayee.
Q: Which statement best compares a line and a point? 2681 05b5cc622e4d2b4197774b7bf
5b5cc622e4d2b4197774b7bf- 1A point has no dimension and a line has one dimension.true
- 2A line can have line segments on it whereas a point cannot be on any line segment.false
- 3point is a location whereas a line has several planes located on itfalse
- 4A line can lie on a plane whereas a point cannot lie on a plane.false
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Answer : 1. "A point has no dimension and a line has one dimension."
Explanation :
Answer: A) A point has no dimension and a line has one dimension. Explanation: A point has no dimension and a line has one dimension is the statement that best compares a line and a point.
Q: What has a foot but no legs? 2681 05b5cc639e4d2b4197774ba7c
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Answer :
Explanation :
A measuring device. Measuring devices have feet on them to measure distance.