GATE Practice Question and Answer
8Q: Grey Revolution is associated with 1962 05b5cc6b4e4d2b4197774d4c0
5b5cc6b4e4d2b4197774d4c0- 1Cottonfalse
- 2Fruitsfalse
- 3Fertilizerstrue
- 4Oil seedsfalse
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Answer : 3. "Fertilizers"
Explanation :
Answer: C) Fertilizers Explanation: Grey Revolution is associated with Fertilizers. Cotton - Silver fiber Revolution Fruits - Golden Revolution Oil seeds - Yellow Revolution
Q: P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days? 1961 05b5cc6bde4d2b4197774d910
5b5cc6bde4d2b4197774d910- 116 daysfalse
- 213 daystrue
- 315 daysfalse
- 412 daysfalse
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Answer : 2. "13 days"
Explanation :
Answer: B) 13 days Explanation: Ratio of times taken by P & Q = 100 : 130 = 10:13 Let Q takes x days to do the work Then, 10:13 :: 23:x => x = 23x13/10 => x = 299/10 P's 1 day's work = 1/23 Q's 1 day's work = 10/299 (P+Q)'s 1 day's work = (1/23 + 10/299) = 23/299 = 1/13 Hence, P & Q together can complete the work in 13 days.
Q: Read both the statements given below and answer the question. Q : Which train did Harish catch to go to office ? Statements : A. Harish missed his usual train of 4.15 p.m. A train comes in every 15 minutes. B. Harish did not catch the 4.45 p.m. train or any train after that time. 1961 05b5cc6cbe4d2b4197774e0c7
5b5cc6cbe4d2b4197774e0c7- 1If statement B alone is sufficient but statement A alone is not sufficient.false
- 2If statement A alone is sufficient but statement B alone is not sufficient.false
- 3If both statement together are sufficient, but neither statement alone is sufficient.false
- 4If statement A and B together are not sufficient.true
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Answer : 4. "If statement A and B together are not sufficient."
Explanation :
Answer: D) If statement A and B together are not sufficient. Explanation: From both statements we cannot conclude the train catched by Harish Since he missed at 4.15 and train coes at 4.30, 4.45, 5.00,... But in B given that he didn't catch the train at 4.45 and after that. So both statements A & B together are not sufficient to answer the question.
Q: Why are you the best candidate for this position? 1960 05b5cc639e4d2b4197774ba71
5b5cc639e4d2b4197774ba71- Show AnswerHide Answer
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Answer :
Explanation :
I am a fast learner, as I had to learn a totally new operating system in my last job and I was up and running within a couple of weeks. As you require someone who can perform wide range of administrative work, I have a track record of carrying different tasks efficiently and effectively. I have the right combination of skills and experiance for this job. I also bring the additional quality of strong analytical and problem solving ability as shown by my introduction of a more efficient work flow system at some company.
Q: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1960 05b5cc6d0e4d2b4197774e33d
5b5cc6d0e4d2b4197774e33d- 1134false
- 2137true
- 3139false
- 4141false
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Answer : 2. "137"
Explanation :
Answer: B) 137 Explanation: This can be done as, (11 × 92) - (5 × 89) - (5 × 86) = 1012- 445 - 430 = 137
Q: The compound interest on a certain sum for 2 years at 10% per annum is Rs. 1155. The simple interest on the same sum for double the time at half the rate percent per annum is ? 1960 15b5cc767e4d2b4197774fdfc
5b5cc767e4d2b4197774fdfc- 1Rs. 1100true
- 2Rs. 5500false
- 3Rs. 1400false
- 4Rs. 4120false
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Answer : 1. "Rs. 1100"
Explanation :
Answer: A) Rs. 1100 Explanation: Let the sum be Rs.x. Then, x1+101002-x=1155 ⇒x11102-1=1155 => x =5500 sum = Rs. 5500. So, S.I = Rs. 5500×5×4100 = 1100
Q: Some children goto ice-cream shop. 9 flavours are available there. Each child takes a cone with two different flavours. No two children take same combination and they have taken all such possible combinations. How many children went to ice cream shop ? 1959 05b5cc70ee4d2b4197774f36a
5b5cc70ee4d2b4197774f36a- 128false
- 256false
- 344false
- 436true
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Answer : 4. "36"
Explanation :
Answer: D) 36 Explanation: Given there are 9 flavours of ice creams. Each child takes the combination of two flavours and no two children will have the same combination This can be done by ways i.e children. Number of children=C29 = 9 x 8 / 1x 2 = 36.
Q: What element is found in all organic compounds? 1958 05b5cc69de4d2b4197774c956
5b5cc69de4d2b4197774c956- 1Hydrogenfalse
- 2Calciumfalse
- 3Nitrogenfalse
- 4Carbontrue
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Answer : 4. "Carbon"
Explanation :
Answer: D) Carbon Explanation: Carbon is found in all organic compounds.