GATE Practice Question and Answer
8Q: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7 18 42 94 204 4 M N O P What value will come in place of P? 1011 05b5cc6b4e4d2b4197774d4e8
5b5cc6b4e4d2b4197774d4e8- 1179false
- 2184false
- 3164false
- 4156true
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Answer : 4. "156"
Explanation :
Answer: D) 156 Explanation: Here the given series 7 18 42 94 204 follows a pattern that, 7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.
Q: Praveena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest ? 1010 05b5cc6e7e4d2b4197774edab
5b5cc6e7e4d2b4197774edab- 16true
- 27false
- 39false
- 411false
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Answer : 1. "6"
Explanation :
Answer: A) 6 Explanation: Let rate = R% and time = R years. Then, (1200 x R x R) / 100 = 432 => R = 6.
Q: Multiplicative inverse of 7? 1004 05b5cc666e4d2b4197774bf08
5b5cc666e4d2b4197774bf08- 11false
- 2-1/7false
- 30false
- 41/7true
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Answer : 4. "1/7"
Explanation :
Answer: D) 1/7 Explanation: Multiplicative inverse is nothing but a reciprocal of a number. It is defined as one of a pair of numbers that when multiplied with another number equals the number 1. Multiplicative inverse or reciprocal of 7 is 7 x n = 1 => n = 1/7. Hence, Multiplicative inverse or reciprocal of 7 is 1/7.
Q: If you had the chance to start your career over again, what would you do differently ? 1004 05b5cc761e4d2b4197774fd3e
5b5cc761e4d2b4197774fd3e- Show Answer
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Answer :
Explanation :
This depends on several factors. Different Individuals have different answers for it.You can answer as - " I will most likely be involved in a different but still related career path; something to do with the creative side. If I were to start over I would attempt to get myself to specialize in one area as a young man. It’s very interesting to follow one’s interests all at the same time, but you don’t get anywhere very quickly this way. By pursuing lots of interests all at the same time, it takes a long, long time to acquire professional level skills."
Q: To fill 8 vacancies there are 15 candidates of which 5 are from ST. If 3 of the vacancies are reserved for ST candidates while the rest are open to all, Find the number of ways in which the selection can be done ? 1003 05b5cc6c4e4d2b4197774dcb3
5b5cc6c4e4d2b4197774dcb3- 17920true
- 274841false
- 314874false
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Answer : 1. "7920"
Explanation :
Answer: A) 7920 Explanation: ST candidates vacancies can be filled by C35 ways = 10 Remaining vacancies are 5 that are to be filled by 12 => C512= (12x11x10x9x8)/(5x4x3x2x1) = 792 Total number of filling the vacancies = 10 x 792 = 7920
Q: There is a 3 digited number. 3rd digit is the square root of the 1st digit. 2nd digit is the sum of 1st and 3rd. And that number is divisible by 2,3,6,7. What is that number? 1002 05b5cc715e4d2b4197774f40e
5b5cc715e4d2b4197774f40e- 1121false
- 2943false
- 3462true
- 4Nonefalse
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Answer : 3. "462"
Explanation :
Answer: C) 462 Explanation: Assume that the number is taken as XYZ.Condition 1 => Z = sq.root(x) => Possible digits of X is 1,4,9Condition 2 => Y = X + ZX Y Z1 2 14 6 29 12 3 => (wrong because it is 4 digit.) and 121 is not divisible by 2 The answer is 462.
Q: Which results from an increase in the greenhouse effect? 1002 05b5cc658e4d2b4197774bdae
5b5cc658e4d2b4197774bdae- 1Ocean acidificationfalse
- 2Smog pollutionfalse
- 3Ozone depletionfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: A greenhouse gas (GHG) is any gas in the atmosphere that absorbs and emits radiation in the thermal infrared range. The increase in average global temperatures that results from an enhanced greenhouse effect. Effects of increased greenhouse gas emissions: Increases in the different greenhouse gases have other effects apart from global warming including ocean acidification, smog pollution, ozone depletion as well as changes to plant growth and nutrition levels.
Q: Everyone has it and no one can lose it. What is it? 999 05b5cc69fe4d2b4197774ca1e
5b5cc69fe4d2b4197774ca1e- 1Facefalse
- 2Teethfalse
- 3Hairfalse
- 4Shadowtrue
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Answer : 4. "Shadow"
Explanation :
Answer: D) Shadow Explanation: