GATE Practice Question and Answer
8Q: When the price of whear was increased by 32%, a family reduced its consumption in such a way that the expenditure on wheat was only 10% more than before. If 30 kg per month were consumed before, find the new monthly consumption of family? 2051 05b5cc61ee4d2b4197774b758
5b5cc61ee4d2b4197774b758- 127 kgsfalse
- 225 kgstrue
- 324 kgsfalse
- 421 kgsfalse
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Answer : 2. "25 kgs"
Explanation :
Answer: B) 25 kgs Explanation: Initial wheat per kg cost be Rs. 100 Then, monthly expenditure of the family = 30 x 100 = 3000 After increase in cost, Let P be new monthly consumption of family. P x 132 = 110/100 x 3000 => P = 25 kg.
Q: How many Months of the year have 28 Days? 2050 05b5cc6b8e4d2b4197774d643
5b5cc6b8e4d2b4197774d643- 112true
- 27false
- 35false
- 46false
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Answer : 1. "12"
Explanation :
Answer: A) 12 Explanation: We have 12 months. In every month we get 28 or more days. So that implies we get 28 days in each and every month.
Q: Find the odd one out of the series ? 35, 48, 54, 63, 81, 105 2050 05b5cc6dae4d2b4197774e8c3
5b5cc6dae4d2b4197774e8c3- 163false
- 248false
- 335true
- 481false
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Answer : 3. "35"
Explanation :
Answer: C) 35 Explanation: 48, 54, 63, 81 and 105 are divisible by 3 but not 35.
Q: What has no beginning, end or middle? 2050 05b5cc696e4d2b4197774c59e
5b5cc696e4d2b4197774c59e- Show AnswerHide Answer
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Answer :
Explanation :
A Donut or Doughnut. Anything in the shape of a torus.
Q: Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book? 2048 05b5cc60de4d2b4197774b61d
5b5cc60de4d2b4197774b61d- 158false
- 260true
- 355false
- 445false
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Answer : 2. "60"
Explanation :
Answer: B) 60 Explanation: -5-----------------------5-------------------20 5-(-5) = 10 20-5= 15 Ratio of cost price of book1 and book2 = 3:2 Then cost price of book 1 is given by (3/5) x 100 = Rs. 60.
Q: The part of earth where life exists 2048 05b5cc60de4d2b4197774b60e
5b5cc60de4d2b4197774b60e- 1Biospheretrue
- 2Atmospherefalse
- 3Lithospherefalse
- 4Hydrospherefalse
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Answer : 1. "Biosphere"
Explanation :
Answer: A) Biosphere Explanation: The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.
Q: (3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ? 2047 05b5cc74fe4d2b4197774fafe
5b5cc74fe4d2b4197774fafe- 14false
- 21false
- 35true
- 43false
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Answer : 3. "5"
Explanation :
Answer: C) 5 Explanation: (3x + 2) (2x - 5) = ax2+kx+n ...............(1) But (3x + 2)(2x - 5) = 6x2-11x-10........(2) so by comparing (1) & (2), we get a= 6, k= -11 , n= -10 (a - n + k) = 6 + 10 - 11 = 5.
Q: What has One Eye Yet cannot See? 2042 05b5cc6afe4d2b4197774d1f6
5b5cc6afe4d2b4197774d1f6- 1One-eyed Jackfalse
- 2A Needletrue
- 3Blind Justicefalse
- 4Hurricane eyefalse
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Answer : 2. "A Needle"
Explanation :
Answer: B) A Needle Explanation: What has one eye yet cannot see is An Eye of a Needle. A needle has an eye through which we thread it but it is not for seeing.