GATE Practice Question and Answer
8Q: An electronic device rearranges numbers step-by-step in a particular order according to set of rules. The device stops when the final result is obtained. Input: 84 15 35 04 18 96 62 08Step 1: 96 84 15 35 04 18 62 08Step 2: 96 84 62 15 35 04 18 08Step 3: 96 84 62 35 15 04 18 08Step 4: 96 84 62 35 18 15 04 08Step 5: 96 84 62 35 18 15 08 04And Step 5 is the last step for this input. Now, find out an appropriate step in the following question following the above rule. Question:Input: 16 09 24 28 15 04What will be the third step for this input ? 2294 05b5cc771e4d2b4197774fffd
5b5cc771e4d2b4197774fffd- 128 24 15 16 04 09false
- 228 24 16 15 09 04true
- 324 28 15 16 09 04false
- 428 24 16 15 04 09false
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Answer : 2. "28 24 16 15 09 04"
Explanation :
Answer: B) 28 24 16 15 09 04 Explanation: Carefully obsrving the given arrangement, we find the following pattern:We observe that the given numbers are arranged in descending order (from left to right), altering the position of only one number in each step, followed by the other numbers as it is. The process continues till the whole set of numbers is arranged in the descending order. Step1: 28 16 09 24 15 04Step2: 28 24 16 09 15 04Step3: 28 24 16 15 09 04 Hence, the answer is B
Q: The term hierarchy refers to 2294 05b5cc699e4d2b4197774c6b4
5b5cc699e4d2b4197774c6b4- 1a team in which everyone is equal and has to pull his or her own weightfalse
- 2a power structure in which each member knows his or her own placetrue
- 3a situation in which higher species such as men will always be in control of lower species such as animalsfalse
- 4a condition in which the weak must die so the strong can survivefalse
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Answer : 2. "a power structure in which each member knows his or her own place"
Explanation :
Answer: B) a power structure in which each member knows his or her own place Explanation: Hierarchy is a system of ranking in which members of a particular society are ranked in an ascending order depending on various factors. Hence, the term hierarchy refers to a power structure in which each member knows his or her own place.
Q: How much water can be used by a camel in drinking in a single time ? 2293 05b5cc736e4d2b4197774f860
5b5cc736e4d2b4197774f860- 1Up to 60 ltr.false
- 2Up to 100 ltr.true
- 3Up to 80 ltr.false
- 4Up to 120 ltr.false
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Answer : 2. "Up to 100 ltr."
Explanation :
Answer: B) Up to 100 ltr. Explanation:
Q: The average monthly salary of 24 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 400. What is the manager's monthly salary ? 2292 05b5cc6e1e4d2b4197774ebe3
5b5cc6e1e4d2b4197774ebe3- 1Rs. 8840false
- 2Rs. 11,500true
- 3Rs. 12,800false
- 4Rs. 9450false
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Answer : 2. "Rs. 11,500"
Explanation :
Answer: B) Rs. 11,500 Explanation: Manager's monthly salary = Rs. (1900 x 25 - 1500 x 24) = Rs. 11,500
Q: One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill tank in 36 min, then the slower pipe alone will be able to fill the tank in ? 2289 05b5cc6f1e4d2b4197774ef3f
5b5cc6f1e4d2b4197774ef3f- 185 minfalse
- 292 minfalse
- 3187 minfalse
- 4144 mintrue
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Answer : 4. "144 min"
Explanation :
Answer: D) 144 min Explanation: Let the slower pipe alone fill the tank in x min. Then, faster pipe will fill it in x/3 min. 1/x + 3/x = 1/36 4/x = 1/36 => x = 144 min.
Q: The outermost layer of the sun is called 2289 05b5cc6a5e4d2b4197774cd04
5b5cc6a5e4d2b4197774cd04- 1Coronatrue
- 2Chromospherefalse
- 3Radiative Zonefalse
- 4Transition Regionfalse
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Answer : 1. "Corona"
Explanation :
Answer: A) Corona Explanation: The outermost layer of the sun is called The Corona. The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region.
Q: Where should a boat compass be mounted? 2289 05b5cc694e4d2b4197774c493
5b5cc694e4d2b4197774c493- 1near magnetfalse
- 2near ironfalse
- 3away from electrical wiringtrue
- 4All the abovefalse
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Answer : 3. "away from electrical wiring"
Explanation :
Answer: C) away from electrical wiring Explanation: A compass, which is used to assist in navigation, is an instrument that shows magnetic north. You must apply a correction to determine the direction of true north. The ability to steer a boat by a compass is useful if land is out of sight, visibility is reduced, or the boat operator is disoriented. Mount a boat compass away from iron, magnets, and electrical wiring and equipment.
Q: In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ? 2288 05b5cc723e4d2b4197774f6be
5b5cc723e4d2b4197774f6be- 11false
- 22false
- 33true
- 44false
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Answer : 3. "3"
Explanation :
Answer: C) 3 Explanation: Assume the family has X girls and Y boys, according to the question,we can have 2 equations:X-1=Y, 2(Y-2)=X.Solve the equations, we get X=4, Y=3.