GATE Practice Question and Answer
8Q: 74.99% of 1299 + 8.98% of 1899 = ? 1667 05b5cc6b0e4d2b4197774d2b2
5b5cc6b0e4d2b4197774d2b2- 11378false
- 21301false
- 31212true
- 41197false
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Answer : 3. "1212"
Explanation :
Answer: C) 1212 Explanation: 74.99% of 1299 + 8.98% of 1899 = ? ? = 75 x 1400100 + 9 x 1800100 ? = 1050 + 162? = 1212.
Q: Guess the Hiding Letter ? 1666 05b5cc6d2e4d2b4197774e462
5b5cc6d2e4d2b4197774e462- 1Dfalse
- 2Kfalse
- 3Lfalse
- 4Gtrue
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Answer : 4. "G"
Explanation :
Answer: D) G Explanation: Starting from letter 'S' add 5 in the clock wise direction to get the next letter in English alphabets. Here S + 5 => 19 + 5 = 24 => X X + 5 = 24 + 5 = 3 => C Similarly, B + 5 = G
Q: A hybrid of a donkey and a horse 1666 05b5cc690e4d2b4197774c465
5b5cc690e4d2b4197774c465- 1Panthera and Mulefalse
- 2Mules and Hinnystrue
- 3Liger and Hinnysfalse
- 4Wholphin and Mulefalse
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Answer : 2. "Mules and Hinnys"
Explanation :
Answer: B) Mules and Hinnys Explanation: Donkeys and horses can be breed to make mules and hinnys. A hinny is a domestic equine hybrid that is the offspring of a male horse, a stallion, and a female donkey, a jenny. It is the reciprocal cross to the more common mule, which is the product of a male donkey, a jack, and a female horse, a mare.
Q: Nucleus of Hydrogen atom consists of 1665 05b5cc6aee4d2b4197774d149
5b5cc6aee4d2b4197774d149- 12 protons onlyfalse
- 22 neutrons onlyfalse
- 31 proton onlytrue
- 41 electron onlyfalse
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Answer : 3. "1 proton only"
Explanation :
Answer: C) 1 proton only Explanation: The nucleus of hydrogen consists of only a single proton. Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom. The electron is bound to the nucleus by the Coulomb force.
Q: Which technology is used in compact disks? 1665 15b5cc690e4d2b4197774c427
5b5cc690e4d2b4197774c427- 1Lasertrue
- 2Mechanicalfalse
- 3Electricalfalse
- 4Electro magneticfalse
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Answer : 1. "Laser"
Explanation :
Answer: A) Laser Explanation: Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982. These are actually made to replace floppy disks that were used to store files and programs from the computer. The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM). These CD's uses Laser technology.
Q: Karthik could cover a distance of 200 km in 22 days while resting for 2 hrs. per day. In how many days (approx) he will cover a distance of 250 km while resting for 2 hrs. per day and moving with 2/3rd of the previous speed ? 1664 05b5cc6cee4d2b4197774e203
5b5cc6cee4d2b4197774e203- 141.25 daystrue
- 237.5 daysfalse
- 339.75 daysfalse
- 440 daysfalse
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Answer : 1. "41.25 days"
Explanation :
Answer: A) 41.25 days Explanation: Given Karthik can cover the distance of 200 kms resting 2 hrs per day in 22 days. Let the initial speed be '1' Hence, Time = 22(24hrs - 2) Noe new speed = 2/3 Let the number of days he take be 'D' Therefore, 2224-2x3200=D24-2x2250 D = 11 x 3 x 5/4 = 41.25 days. = 41 1/4 days.
Q: A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger ? 1664 05b5cc6dee4d2b4197774ea5b
5b5cc6dee4d2b4197774ea5b- 110 secfalse
- 248 secfalse
- 336 sectrue
- 456 secfalse
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Answer : 3. "36 sec"
Explanation :
Answer: C) 36 sec Explanation: Given speed of jogger = 9 kmph Speed of train = 45 kmphAs they are in same direction, Relative speed = 45 - 9 = 36 kmph = 36x5/18 = 10 m/sDistance = 240 + 120 = 360 mts Time = distance/speed = 360/10 = 36 sec.
Q: Digitized information can be used by computers. 1664 05b5cc699e4d2b4197774c73d
5b5cc699e4d2b4197774c73d- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: TRUE. The computers and electronic devices use digitized information which is easily understood by them. Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

