GATE Practice Question and Answer
8Q: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1973 05b5cc6a3e4d2b4197774cc10
5b5cc6a3e4d2b4197774cc10- 1Father & Sontrue
- 2Brothersfalse
- 3Son & Fatherfalse
- 4Nephewsfalse
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Answer : 1. "Father & Son"
Explanation :
Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.
Q: The number of sequences in which 4 players can sing a song, so that the youngest player may not be the last is ? 1973 05b5cc6e1e4d2b4197774ebac
5b5cc6e1e4d2b4197774ebac- 12580false
- 23687false
- 34320true
- 45460false
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Answer : 3. "4320"
Explanation :
Answer: C) 4320 Explanation: Let 'Y' be the youngest player. The last song can be sung by any of the remaining 3 players. The first 3 players can sing the song in (3!) ways. The required number of ways = 3(3!) = 4320.
Q: Shares of a company given in exchange for work done are called ? 1973 05b5cc761e4d2b4197774fd6c
5b5cc761e4d2b4197774fd6c- 1Secondary sharesfalse
- 2Hot equityfalse
- 3Preferential sharesfalse
- 4Sweat equity sharestrue
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Answer : 4. "Sweat equity shares"
Explanation :
Answer: D) Sweat equity shares Explanation: A sweat equity share is an equity share issued by the company to employees or directors at a discount or for consideration other than cash for providing know-how or making available rights in the nature of intellectual property rights or value additions.
Q: Air pressure is measured in which of the following units? 1971 05b5cc694e4d2b4197774c47a
5b5cc694e4d2b4197774c47a- 1Steridianfalse
- 2kg/mtsfalse
- 3Newtonfalse
- 4Pascaltrue
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Answer : 4. "Pascal"
Explanation :
Answer: D) Pascal Explanation: Pressure = (Net Force) / (Applied area) = Newton / square meters Measuring units of pressure are: . Pascal. Bar. Torr. Pounds per square inch (psi). Standard atmosphere (atm).
Q: Solve if you are Genius? 1970 05b5cc6abe4d2b4197774d048
5b5cc6abe4d2b4197774d048- 136false
- 242false
- 348false
- 454true
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Answer : 4. "54"
Explanation :
Answer: D) 54 Explanation: Here the given Number Puzzle follows a pattern that, Sum of the numbers on the corners on the two squares is same and is equal to 54. i.e, 13 + 15 + 14 + 12 = 54 and 8 + 22 + 9 + 15 = 54
Q: Is steel a compound? 1968 05b5cc62ae4d2b4197774b8b5
5b5cc62ae4d2b4197774b8b5- 1TRUEfalse
- 2FALSEtrue
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Answer : 2. "FALSE"
Explanation :
Answer: B) FALSE Explanation: Steel is not a compound or element. Steel is an alloy of iron and carbon and other elements and hence it is a mixture. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons.
Q: Express 0.875 and 0.375 as a Fraction. 1968 05b5cc6b3e4d2b4197774d3ed
5b5cc6b3e4d2b4197774d3ed- 13/11 & 7/11false
- 27/9 & 9/13false
- 37/8 & 3/8true
- 47/9 & 9/11false
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Answer : 3. "7/8 & 3/8"
Explanation :
Answer: C) 7/8 & 3/8 Explanation: Given 0.875 and 0.375 0.875 :: After decimal point there are 3 digits 875 Now, mutiply and divide 0.875 with 1000 0.875 x 10001000 = 8751000 Now, this can be reduced to fraction 78Therefore, 0.875 as fraction = 78 Similarly, 0.375 :: After decimal point there are 3 digits 375 Now, mutiply and divide 0.375 with 1000 0.375 x 10001000 = 3751000Now, this can be reduced to fraction 38Therefore, 0.375 as fraction = 38
Q: Every year before the festive season, a brand store increases the price of the product by 42% and then introduce two successive discount of 10% and 11% respectively. What is percentage loss and percentage gain ? 1967 05b5cc745e4d2b4197774f9f9
5b5cc745e4d2b4197774f9f9- 13.25% lossfalse
- 213.742% lossfalse
- 33.25% gainfalse
- 413.742% gaintrue
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Answer : 4. "13.742% gain"
Explanation :
Answer: D) 13.742% gain Explanation: Let CP = 100,42 % increase => SP = 14210 % discount in SP => ((142 x 10)/100) = 14.2So 1st SP = (142 - 14.2) = 127.8, again 12 % discount in 1st SP ((127.8 x 11)/100) = 14.0582nd SP = (127.8 - 14.058) = 113.742, So finally CP = 100, SP = 113.742, => gain = 13.742%.

