GATE Practice Question and Answer
8Q: The sum of three consecutive multiples of 3 is 72. What is the second largest number ? 2074 05b5cc6d8e4d2b4197774e7ba
5b5cc6d8e4d2b4197774e7ba- 127false
- 224true
- 321false
- 442false
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Answer : 2. "24"
Explanation :
Answer: B) 24 Explanation: Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27. => Second largest number = 27 - 3 = 24
Q: Which of the following is the strongest base? 2074 05b5cc69fe4d2b4197774c9c8
5b5cc69fe4d2b4197774c9c8- 1LiCH3true
- 2LiFfalse
- 3LiOHfalse
- 4LiNH2false
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Answer : 1. "LiCH3"
Explanation :
Answer: A) LiCH3 Explanation: The stability of the ions is determined by the energy of the lone pairs. Carbon has the least effective nuclear charge (Zeff) and so the lone pair on the CH3− ion has the highest energy, making it the least stable ion and so the strongest base. The Zeff increases as we move across the period until we get to fluorine which has the greatest Zeff and so its lone pairs have the lowest energy, making F− the least basic ion. In order of decreasing basicity they are ranked LiCH3 > LiNH2 > LiOH > LiF. We are dealing with the ions F−, OH−, NH2− and CH3− and so the factor which influences their basicity is the stability of the ion compared to its conjugate acid.
Q: Read the following information carefully and answer the questions given below it. There are five men A,B,C,D and E and six women P, Q, R, S, T and U. A, B and R are advocates, C, D, P, Q and S are doctors and the rest are teachers. Some teams are to be selected from amongst these eleven persons subject to the following conditions. A, P and U have to be together. B cannot go with D or R. E and Q have to be together. C and T have to be together. D and P cannot go together. C cannot go with Q. If the team is to consist of two male advocates, two lady doctors and one teacher, the members of team are 2072 05b5cc6f4e4d2b4197774effa
5b5cc6f4e4d2b4197774effa- 1A, P, R, S, Ufalse
- 2A, B, P, Q, Ufalse
- 3B, E, Q, R, Sfalse
- 4A, B, P, U, Strue
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Answer : 4. "A, B, P, U, S"
Explanation :
Answer: D) A, B, P, U, S Explanation: From the given information; Members Sex Profession A M Advocate Q F Doctor B M Advocate R F Advocate C M Doctor S F Doctor D M Doctor T F Teacher E M Teacher U F Teacher P F Doctor Answer (D) From option (D) A and B are two male advocates, P and S are two female doctors and u is female teacher.
Q: 5 men and 4 women are to be seated in a row so that the women occupy the even places . How many such arrangements are possible? 2069 15b5cc7d1e4d2b4197775129f
5b5cc7d1e4d2b4197775129f- 12880true
- 21440false
- 3720false
- 42020false
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Answer : 1. "2880"
Explanation :
Answer: A) 2880 Explanation: There are total 9 places out of which 4 are even and rest 5 places are odd. 4 women can be arranged at 4 even places in 4! ways. and 5 men can be placed in remaining 5 places in 5! ways. Hence, the required number of permutations = 4! x 5! = 24 x 120 = 2880
Q: In agroup of six women, there are four dancers, four vocal musicians, one actress and three violinists. Girija and Vanaja are among the violinists while Jalaja and Shailaja do not know how to ply on the violin. Shailaja and Tanuja are among the dancers. Jalaja, Vanaja, Shailaja and Tanuja are all vocal musicians and two of them are also violinists. If Pooja is an actress, who among the following is both a dancer and a violinist ? 2065 05b5cc758e4d2b4197774fbfe
5b5cc758e4d2b4197774fbfe- 1Shailajafalse
- 2Vanajafalse
- 3Girijafalse
- 4Tanujatrue
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Answer : 4. "Tanuja"
Explanation :
Answer: D) Tanuja Explanation: The four vocal musicians and one actress in the group are given. Two dancers are Shailaja and Tanuja. Two violinists are Girija and Vanaja. Since Jalaja and Shailaja cannot be violinists, so remaining two violinists are Tanuja and Pooja. Clearly, Tanuja is both a violinist and a dancer.
Q: Who has the best overall health? 2063 05b5cc698e4d2b4197774c609
5b5cc698e4d2b4197774c609- 1a person who exercises regularly and is not overweightfalse
- 2a person who is not ill and is physically activefalse
- 3a person who lives longer than his or her grandparentsfalse
- 4a person who balances social, physical, and mental healthtrue
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Answer : 4. "a person who balances social, physical, and mental health"
Explanation :
Answer: D) a person who balances social, physical, and mental health Explanation: A person who balances all the three healths such as Physical, mental and Social healths has the best overall health.
Q: K is 50% faster than L. If L starts at 9 A.M. and K starts at 10 A.M. L travels at a speed of 50 km/hr. If L and K are 300 kms apart, The time when they meet when they travel in opposite direction is ? 2056 05b5cc741e4d2b4197774f9e5
5b5cc741e4d2b4197774f9e5- 112 pmtrue
- 21 pmfalse
- 311 amfalse
- 411:30 amfalse
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Answer : 1. "12 pm"
Explanation :
Answer: A) 12 pm Explanation: let 't' be the time after which they met since L starts. Given K is 50% faster than L 50 t + 1.5*50(t-1) = 300 50 t +75 t = 300 + 75 t = 375 / 125 = 3 hrs past the time that L starts So they meet at (9 + 3)hrs = 12:00 noon.
Q: कौन सी इकाई अस्थायी रूप से डेटा रखती है? 2055 05b5cc64de4d2b4197774bcb2
5b5cc64de4d2b4197774bcb2- 1सैकेंडरी स्टोरेज यूनिटfalse
- 2आउटपुट यूनिटfalse
- 3प्राइमरी मेमोरी यूनिटtrue
- 4इनपुट यूनिटfalse
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Answer : 3. "प्राइमरी मेमोरी यूनिट"
Explanation :
Answer: C) प्राथमिक मेमोरी यूनिट स्पष्टीकरण: मेमोरी कंप्यूटर का वह भाग है जो ALU द्वारा संसाधित किए जाने से पहले और बाद में अस्थायी रूप से डेटा और निर्देश रखता है। मेमोरी को प्राइमरी स्टोरेज, प्राइमरी मेमोरी, मेन स्टोरेज, इंटरनल स्टोरेज और मेन मेमोरी के रूप में भी जाना जाता है। निर्माता अक्सर RAM शब्द का उपयोग करते हैं, जिसका अर्थ है रैंडम-एक्सेस मेमोरी।