GRE Practice Question and Answer

Q: 6 B in an O? 2511 0

  • 1
    6 books in an order
    Correct
    Wrong
  • 2
    6 balls in an over
    Correct
    Wrong
  • 3
    6 bats in an odd
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "6 balls in an over"
Explanation :

Answer: B) 6 balls in an over Explanation: 6 b in an o means 6 balls in an over in cricket.

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Answer : 2. "1/6"
Explanation :

Answer: B) 1/6 Explanation: Total work is given by L.C.M of 72, 48, 36 Total work = 144 units Efficieny of A = 144/72 = 2 units/day Efficieny of B = 144/48 = 3 units/day Efficieny of C = 144/36 = 4 units/day   According to the given data, 2 x p/2 + 3 x p/2 + 2 x (p+6)/3 + 3 x (p+6)/3 + 4 x (p+6)/3 = 144 x (100 - 125/3) x 1/100 3p + 4.5p + 2p + 3p + 4p = 84 x 3 - 54 p = 198/16.5 p = 12 days.   Now, efficency of D = (144 x 125/3 x 1/100)/10 = 6 unit/day (C+D) in p days = (4 + 6) x 12 = 120 unit Remained part of work = (144-120)/144 = 1/6.

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Answer :
Explanation :

We know a proverb that An apple a day keeps the doctor away. To keep the doctor away from her, he gave seven apples, each apple a day.

Q: Who has won the orange cap for scoring the most runs in IPL 2018? 1365 0

  • 1
    Rishabh Pant (Delhi Daredevils)
    Correct
    Wrong
  • 2
    Virat Kohli (Royal Challengers Bangalore)
    Correct
    Wrong
  • 3
    Ambati Rayudu (Chennai Super Kings)
    Correct
    Wrong
  • 4
    Kane Williamson (Sunrisers Hyderabad)
    Correct
    Wrong
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Answer : 4. "Kane Williamson (Sunrisers Hyderabad)"
Explanation :

Answer: D) Kane Williamson (Sunrisers Hyderabad) Explanation: Kane Williamson, the captain of Sunrisers Hyderabad team has won orange cup for scoring the most runs in IPL 2018. The orange cap is presented annually in the Indian Premier League to the highest run scorer.

Q: What has teeth but cannot bite? 3128 0

  • 1
    Comb
    Correct
    Wrong
  • 2
    Saw
    Correct
    Wrong
  • 3
    Zipper
    Correct
    Wrong
  • 4
    Gear
    Correct
    Wrong
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Answer : 1. "Comb"
Explanation :

Answer: A) Comb Explanation: Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

Q: Which of the following is a compound sentence? 1566 0

  • 1
    We can go see a movie, or we can get something to eat.
    Correct
    Wrong
  • 2
    When you get there, please remember to call me.
    Correct
    Wrong
  • 3
    Mohan bought some new shoes and wore them to a party.
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "We can go see a movie, or we can get something to eat."
Explanation :

Answer: A) We can go see a movie, or we can get something to eat. Explanation: A compound sentence is a sentence that has at least two independent clauses joined by a comma, semicolon or conjunction. An independent clause is a clause that has a subject and verb and forms a complete thought. Here except option A) other two options dependent.   Hence, A) We can go see a movie, or we can get something to eat is a compound sentence.

Q: What has a head and a tail but nobody? 1640 0

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Answer :
Explanation :

A Coin has a Head and tail but no body. Since the two sides of coin are called as heads and tails.

Q: What causes brownian motion in colloids? 1497 0

  • 1
    coagulation of particles and the dispersed phase
    Correct
    Wrong
  • 2
    erratic flashes of light
    Correct
    Wrong
  • 3
    molecules of the dispersion medium colliding with dispersed phase particles
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "molecules of the dispersion medium colliding with dispersed phase particles"
Explanation :

Answer: C) molecules of the dispersion medium colliding with dispersed phase particles Explanation: When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.   Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.   This leads to the zig-zag (random) motion of the colloidal particles.

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