GATE Practice Question and Answer
8Q: 14 persons are seated around a circular table. Find the probability that 3 particular persons always seated together. 1920 05b5cc6b6e4d2b4197774d5b8
5b5cc6b6e4d2b4197774d5b8- 111/379false
- 221/628false
- 324/625true
- 426/247false
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Answer : 3. "24/625"
Explanation :
Answer: C) 24/625 Explanation: Total no of ways = (14 – 1)! = 13! Number of favorable ways = (12 – 1)! = 11! So, required probability = 11!×3!13! = 39916800×66227020800 = 24625
Q: Find the next number in the series 143 143 136 110 ? 3127 05b5cc6b6e4d2b4197774d5a8
5b5cc6b6e4d2b4197774d5a8- 191false
- 235false
- 347true
- 469false
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Answer : 3. "47"
Explanation :
Answer: C) 47 Explanation: The next number in the series is 143 143 136 110 0 7 26 (Differences) 13 - 1 , 23 - 1, 33 - 1, 43 - 1,...Now the next number is given by110 - (43 - 1) = 110 - 63 = 47.
Q: 11 letter Indian city is I am Hints :: 2,4,10 is a Unit of Length . Last 6 letters is a Fruit Name. 9,5,3 is a Soap Name. 1,8,3 is used by a Student 7,8,3 letters is a Bird Name. 6,7,5,3 is an organ in the Face. From the above given Hints Find that Indian City Name? 2768 05b5cc6b6e4d2b4197774d59d
5b5cc6b6e4d2b4197774d59d- Show AnswerHide Answer
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Answer :
Explanation :
PONDICHERRY is the Indian City with 11 Letters. Fruit Name : CHERRY Soap Name : RIN Bird Name : HEN Organ : CHIN Used by Student : PEN
Q: Friction can be reduced by changing from 1819 05b5cc6b6e4d2b4197774d593
5b5cc6b6e4d2b4197774d593- 1Static to Dynamicfalse
- 2Rolling to Slidingfalse
- 3Dynamic to Staticfalse
- 4Sliding to Rollingtrue
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Answer : 4. "Sliding to Rolling"
Explanation :
Answer: D) Sliding to Rolling Explanation: Any object rolls when there is no friction. So, Sliding to Rolling is correct.
Q: Only For Geniuses Solve this MathPuzzle if you can? 1242 05b5cc6b6e4d2b4197774d588
5b5cc6b6e4d2b4197774d588- Show AnswerHide Answer
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Answer :
Explanation :
Let the required number be 'X' Condition 1 : XX = 2X => 2X2 = X => X = 12 Condition 2 : X × X = X2=> X = 12 Therefore, 12 is the number which becomes double when it is divided by itself and becomes half when it is multiplied by itself.
Q: What could cause a Fixed Disk Error? 2092 05b5cc6b6e4d2b4197774d589
5b5cc6b6e4d2b4197774d589- 1Slow Processor Speedfalse
- 2RAM Spacefalse
- 3Incorrect CMOS Settingstrue
- 4Nonefalse
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Answer : 3. "Incorrect CMOS Settings"
Explanation :
Answer: C) Incorrect CMOS Settings Explanation:
Q: Thread is to String as Cask is to 4247 05b5cc6b6e4d2b4197774d58e
5b5cc6b6e4d2b4197774d58e- 1Barreltrue
- 2Discfalse
- 3Walletfalse
- 4Boxfalse
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Answer : 1. "Barrel"
Explanation :
Answer: A) Barrel Explanation: Here Thread and String are Synonyms of each other. Then the answer will be the synonym of Cask. Cask is nothing but a large barrel-like container used for storing liquids, typically alcoholic drinks. Ex : Drum, Vessel, Tank, Barrel, Hogshead, Firkin,... Here from the options Barrel is the only synonym of Cask. Thus, Thread : String :: Cask : Barrel
Q: Organisms need Nutrients in order to 1640 05b5cc6b6e4d2b4197774d583
5b5cc6b6e4d2b4197774d583- 1Breaking down foodtrue
- 2Utilize chemical compoundsfalse
- 3recyclingfalse
- 4Nonefalse
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Answer : 1. "Breaking down food"
Explanation :
Answer: A) Breaking down food Explanation: Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions. Important nutrients are Hydrogen, Carbon and Oxygen. Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.

