GATE Practice Question and Answer
8Q: Complete the Analogy? Grain : Stock :: Stick : ? 3268 05b5cc699e4d2b4197774c6aa
5b5cc699e4d2b4197774c6aa- 1Bundletrue
- 2Stringfalse
- 3Collectionfalse
- 4Heapfalse
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Answer : 1. "Bundle"
Explanation :
Answer: A) Bundle Explanation: Here the relation between the given words is that the second word is the collection of the first word. As the collection of grains is called Stock, similarly, the collection of sticks is called as Bundle. Hence, Grain : Stock :: Stick : Bundle.
Q: System Study involves 3264 05b5cc69be4d2b4197774c7d9
5b5cc69be4d2b4197774c7d9- 1documenting the existing systemfalse
- 2identifying current deficiencies and establishing new goalsfalse
- 3study of an existing systemfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation:
Q: Genuine : Authentic : : Mirage : ? 3264 05b5cc696e4d2b4197774c599
5b5cc696e4d2b4197774c599- 1Transpirationfalse
- 2Illusiontrue
- 3Reflectionfalse
- 4Imagefalse
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Answer : 2. "Illusion"
Explanation :
Answer: B) Illusion Explanation: Here the given pair of words are related in such a way that they are synonyms. That is Genuine and Authentic are synonyms and similarly, Mrage and illusion are synonyms. Hence, Genuine : Authentic : : Mirage : Illusion.
Q: There are several peacocks and deers in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many peacocks are there, and how many deers ? 3263 05b5cc73de4d2b4197774f95d
5b5cc73de4d2b4197774f95d- 142 & 24false
- 238 & 26false
- 336 & 24false
- 444 & 28true
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Answer : 4. "44 & 28"
Explanation :
Answer: D) 44 & 28 Explanation: Letx = peacocks y = deers 2x + 4y = 200 x + y = 72 y = 72 - x 2x + 288 - 4x = 200 x = 44 peacocks y = 28 deers
Q: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 3262 05b5cc6bee4d2b4197774d997
5b5cc6bee4d2b4197774d997- 114 × 13 × 13!false
- 215 × 14 × 14!false
- 314 × 12 × 12!false
- 415 × 13 × 13!true
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Answer : 4. "15 × 13 × 13!"
Explanation :
Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!
Q: A supplier supplies cartridges to a news paper publishing house. He earns a profit of 25% by selling cartridges for Rs. 1540. Find the cost price of the Cartridges ? 3254 05b5cc741e4d2b4197774f9a9
5b5cc741e4d2b4197774f9a9- 1Rs. 1100false
- 2Rs. 1793.4false
- 3Rs. 1440false
- 4Rs. 1232true
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Answer : 4. "Rs. 1232"
Explanation :
Answer: D) Rs. 1232 Explanation: Let Cost Price(C.P) = Pgain% = {(S.P-C.P)/C.P} x 10025 = {(1540-P)/P} x 10025/100 = (1540-P)/P=> P = 4(1540)-4P=> 5P = 4(1540)=> P = 1232So, Cost Price = Rs. 1232
Q: The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is ? 3249 05b5cc74fe4d2b4197774fae5
5b5cc74fe4d2b4197774fae5- 16 mltrue
- 211 mlfalse
- 315 mlfalse
- 49 mlfalse
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Answer : 1. "6 ml"
Explanation :
Answer: A) 6 ml Explanation: Let us assume that the lotion has 50% alcohol and 50% water.ratio = 1:1As the total solution is 9mlalcohol = water = 4.5mlNow if we want the quantity of alcohol = 30%The quantity of water = 70%The new ratio = 3:7Let x ml of water be addedWe get,4.54.5+x = 37=> x=6Hence 6ml of water is added.
Q: Statement: There has been a significant drop in the water level of all the lakes supplying water to the city.Courses of action:I. The water supply authority should impose a partial cut in supply to tackle the situation.II. The government should appeal to all the residents though mass media for minimal use of water. 3248 05b5cc736e4d2b4197774f85b
5b5cc736e4d2b4197774f85b- 1Only I followsfalse
- 2Only II followsfalse
- 3Both I & II followstrue
- 4Neither I nor II followsfalse
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Answer : 3. "Both I & II follows"
Explanation :
Answer: C) Both I & II follows Explanation: The situation can be tackled by periodic cuts in supply, and urging people to conserve water. So both the courses follow.