GATE Practice Question and Answer

Q: In how many ways the word 'SCOOTY' can be arranged such that 'S' and 'Y' are always at two ends? 2878 0

  • 1
    720
    Correct
    Wrong
  • 2
    360
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"
Explanation :

Answer: D) 24 Explanation: Given word is SCOOTY ATQ, Except S & Y number of letters are 4(C 2O's T) Hence, required number of arrangements = 4!/2! x 2! = 4! = 4 x 3 x 2 = 24 ways.

Q: L is the daughter of K's brother's wife's father-in-law's daughter. K is L's __ 2878 0

  • 1
    Son
    Correct
    Wrong
  • 2
    Aunt
    Correct
    Wrong
  • 3
    Uncle
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 4. "Can't be determined"
Explanation :

Answer: D) Can't be determined Explanation: K's brother's wife's father-in-law is K's brother's father i.e. K's father. K's father's daughter is K's Sister.L is daughter of K's sister => K is L's Uncle or Aunt.

Q: 40% of 265 + 35% of 180 = 50% of ? 2873 0

  • 1
    383
    Correct
    Wrong
  • 2
    338
    Correct
    Wrong
  • 3
    84.5
    Correct
    Wrong
  • 4
    253.5
    Correct
    Wrong
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Answer : 2. "338"
Explanation :

Answer: B) 338 Explanation: We know that 40% = 25   40% of 265 + 35% of 180 = 50% ?   25 x 265 + 35% of 180 = 50% ?   We know that (35% of 180 = 180% of 35) & 180% = 95   25 x 265 + 95 x 35 = 50% ?   106 + 63 = 50% ?   ?= 2 x 169 = 338.

Q: Assertive sentences examples list. 2873 0

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Answer :
Explanation :

An assertive sentence is a sentence that state, assert, or declare something. It means it is a simple statement making thing. As it declares something, is also called as Declarative sentence.       Examples of assertive sentence or statements ::   1. Anamika loves him very much.   2. He picks her daily.   3. Attitude is everything.   4. The sun sets in the west.   5. She likes roses.   6. He is a student.   7. Karthik planned a tour.   8. Peacock is a beautiful bird.   9. India is our country.   10. Joel want to be a doctor.

Q: A clock is started at 11 a.m. By 600 seconds past 6 p.m, the hour hand has turned through ? 2870 0

  • 1
    155 degrees
    Correct
    Wrong
  • 2
    175 degrees
    Correct
    Wrong
  • 3
    205 degrees
    Correct
    Wrong
  • 4
    215 degrees
    Correct
    Wrong
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Answer : 4. "215 degrees"
Explanation :

Answer: D) 215 degrees Explanation: The total angle traced by the hour hand is the angle traced in 7 hours and 10 minutes.We know that the angle traced by the hour hand in one hour is 30º and in one minute is 1/2º.Therefore, (30º x 7) + (10 x 1/2º) = 215º is the angle traced by the hour hand.

Q: Sound waves cannot travel through 2866 0

  • 1
    Gas
    Correct
    Wrong
  • 2
    Liquid
    Correct
    Wrong
  • 3
    Vacuum
    Correct
    Wrong
  • 4
    Solid
    Correct
    Wrong
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Answer : 3. "Vacuum"
Explanation :

Answer: C) Vacuum Explanation: Sound waves cannot travel through a Vacuum.   A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

Q: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2863 0

  • 1
    Wednesday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Friday
    Correct
    Wrong
  • 4
    Thursday
    Correct
    Wrong
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Answer : 1. "Wednesday"
Explanation :

Answer: A) Wednesday Explanation: The year 2006 is an ordinary year. So, it has 1 odd day.So, the day on 24th Nov, 2007 will be 1 day beyond the day on 24th Nov, 2006.But, 24th Nov, 2007 is Thursday. 24 - 10 = 14 days. Therefore, 2 weeks ago it is same day. Thus, 10th Nov, 2006 is one day before 10th Nov, 2007 i.e. it is Wednesday.

Q: If selling price is doubled, the profit triples. Find the profit percent ? 2860 0

  • 1
    100%
    Correct
    Wrong
  • 2
    200%
    Correct
    Wrong
  • 3
    300%
    Correct
    Wrong
  • 4
    400%
    Correct
    Wrong
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Answer : 1. "100%"
Explanation :

Answer: A) 100% Explanation: Let the C.P be Rs.100 and S.P be Rs.x, Then The profit is (x-100)Now the S.P is doubled, then the new S.P is 2xNew profit is (2x-100)Now as per the given condition; => 3(x-100) = 2x-100By solving, we get x = 200Then the Profit percent = (200-100)/100 = 100Hence the profit percentage is 100%

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