GATE Practice Question and Answer
8Q: Which of the following chemical compounds has the highest boiling point? 1623 05b5cc6b5e4d2b4197774d52a
5b5cc6b5e4d2b4197774d52a- 1Dimethyl ether (CH3OCH3)false
- 2Methanol (CH3OH)true
- 3Methane (CH4)false
- 4Nonefalse
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Answer : 2. "Methanol (CH3OH)"
Explanation :
Answer: B) Methanol (CH3OH) Explanation: Chemical Compounds with stronger intermolecular forces have higher boiling points. The order of strengths of intermolecular forces is: London dispersion < dipole-dipole < H-bonding Methane (CH4) — London dispersion forces Dimethyl ether (CH3OCH3) — dipole-dipole attractions Methanol (CH3OH) — hydrogen bonding Therefore, Methanol - CH3OH with H-Bonding have highest Boiling Point among the given chemical compounds.
Q: What is the 13th letter of the English Alphabet? 2671 05b5cc6b5e4d2b4197774d52f
5b5cc6b5e4d2b4197774d52f- 1M & Ntrue
- 2M & Mfalse
- 3N & Nfalse
- 4N & Lfalse
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Answer : 1. "M & N"
Explanation :
Answer: A) M & N Explanation: There are 26 English Alphabets. They are: A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z. Therefore, from the left end the 13th letter is M and is Consonent. And from the right end the 13th letter is N and is Consonent.
Q: 6 : 18 :: 4 : ? 1383 05b5cc6b5e4d2b4197774d520
5b5cc6b5e4d2b4197774d520- 114false
- 26false
- 316false
- 48true
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Answer : 4. "8"
Explanation :
Answer: D) 8 Explanation: Here the given number analogy follows two patterns that, 6 18 --> 6 x 3 4 12 --> 4 x 3 OR 6 18 ----> 6x6/2 = 18 4 8 ----> 4x4/2 = 8 As 12 is not available in the options, 8 is correct answer.
Q: Marathon is to race as Hibernation is to 4766 05b5cc6b5e4d2b4197774d510
5b5cc6b5e4d2b4197774d510- 1Eatfalse
- 2Sleeptrue
- 3Winterfalse
- 4Dreamfalse
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Answer : 2. "Sleep"
Explanation :
Answer: B) Sleep Explanation: Marathon is to Race as Hibernation is to Sleep. Marathon is a long race in the similar way Hibernation refers to a long sleep.
Q: What is 12 S of the Z? 1173 05b5cc6b5e4d2b4197774d515
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Answer :
Explanation :
12 S of Z represents 12 Signs of the Zodiac. It is similar to the 1. 52 W in a Y - 52 weeks in a year 2. 3 H in a C - 3 Hands in a Clock 3. 3600 S in an H - 3600 Seconds in an Hour 4. 5 O in the W - 5 Oceans in the World
Q: What is 90 days from today? Hints : Today is 20th January 2017, Sunday 3274 05b5cc6b5e4d2b4197774d516
5b5cc6b5e4d2b4197774d516- 118th April, Fridayfalse
- 220th April, Saturdaytrue
- 321th April, Sundayfalse
- 419th April, Saturdayfalse
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Answer : 2. "20th April, Saturday"
Explanation :
Answer: B) 20th April, Saturday Explanation: Given Today is 20th January 2017, Sunday In january, we have 31 days February - 28 days (Non leap year) March - 31 days April - 30 days => Remaining days => 31 - 20 = 11 in Jan + 28 in Feb + 31 in Mar = 11 + 28 + 31 = 70 days More 20 days to complete 90 days => upto 20th April Therefore, after 90 days from today i.e, 20th Jan 2017 is 20th Apr 2017. Now, the day of the week will be 90/7 => Remainder '6' As the day starts with '0' on sunday 6 => Saturday. Required day is 20th April, Saturday.
Q: Which of the following is a Heterogeneous Mixture? 2447 05b5cc6b5e4d2b4197774d50b
5b5cc6b5e4d2b4197774d50b- 1Airfalse
- 2Table saltfalse
- 3Sodatrue
- 4Brassfalse
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Answer : 3. "Soda"
Explanation :
Answer: C) Soda Explanation: Here Soda is a Heterogenous Mixture. A Heterogeneous Mixture is a mixture having a non-uniform composition i.e, the mixture contains components in different phases. Using various means, the parts in the mixture can be separated from one another.
Q: DNA can be found in what Organelles? 2038 05b5cc6b5e4d2b4197774d506
5b5cc6b5e4d2b4197774d506- 1Chloroplasts and Mitichondriatrue
- 2Nucleus and Ribosomesfalse
- 3Ribosomes and Mitochondriafalse
- 4Endoplasmic Reticulum and Nucleusfalse
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Answer : 1. "Chloroplasts and Mitichondria"
Explanation :
Answer: A) Chloroplasts and Mitichondria Explanation: DNA can be found in 3 Organelles namely Nucleus, Mitochondria in animals and Chloroplasts in plants.

