GRE Practice Question and Answer

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Answer : 1. "20 or 21"
Explanation :

Answer: A) 20 or 21 Explanation: According to Pradeep : 20,21 or 22...(1)According to his brother : not 22....(2)From (1)&(2), the birthday falls on February 20 or 21.

Q: What is harder to catch the faster you run? 1951 0

  • 1
    Breathe
    Correct
    Wrong
  • 2
    Fire
    Correct
    Wrong
  • 3
    Water
    Correct
    Wrong
  • 4
    Time
    Correct
    Wrong
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Answer : 1. "Breathe"
Explanation :

Answer: A) Breathe Explanation: It is very hard to catch breathe when you run fast.

Q: Galileo was an Italian Astronomer who 1949 0

  • 1
    Discovered 4 satellites of Mars
    Correct
    Wrong
  • 2
    Developed the Telescope
    Correct
    Wrong
  • 3
    Discovered that the movement of pendulum produces a regular time measurement
    Correct
    Wrong
  • 4
    Both B & C
    Correct
    Wrong
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Answer : 4. "Both B & C"
Explanation :

Answer: D) Both B & C Explanation: Galileo Galilei (1564-1642) was an Italian Astronomer who        1) Discovered 4 satellites of Jupiter 2) Developed Telescope   3) Discovered that the movement of pendulum produces a regular time measurement He is Physicist, Mathematician, inventor, and philosopher Too.

Q: In a party there are male and female members. If 15 female quit then the number of females will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females ? 1948 0

  • 1
    175
    Correct
    Wrong
  • 2
    145
    Correct
    Wrong
  • 3
    165
    Correct
    Wrong
  • 4
    135
    Correct
    Wrong
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Answer : 1. "175"
Explanation :

Answer: A) 175 Explanation: Let the number of males be 'M'Let the number of females be 'F'From the given conditions,(F-15)=2M.....(i)F=5(M-45).....(ii)By solving the equations (1) & (2) we get M = 80 Then substitute M = 80 in (1)F = 2M + 15F = 2 x 80 + 15=> F = 175Therefore, number of males = 80 and females = 175 in the party.

Q: Ammeter : Current :: Odometer : ? 1946 0

  • 1
    Blood Pressure
    Correct
    Wrong
  • 2
    Haemoglobin
    Correct
    Wrong
  • 3
    pressure
    Correct
    Wrong
  • 4
    Speed
    Correct
    Wrong
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Answer : 4. "Speed"
Explanation :

Answer: D) Speed Explanation: Here Ammeter is used for measuring Current whereas Odometer is used to measure Speed.

Q: Solve the Puzzle? 1935 0

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Answer :
Explanation :

From the assumption and trial and error method, last three digits sum must leave the same digit as the answer. It is possible only if the answer must be units digit number leaving tens digit as carry. And the possible 3rd digit is 5. Since 5 + 5 + 5 = 15  Now, 2nd step is  1 + x + x + x = 5 => 3x = 4 It is possible with x = 8. 8 + 8 + 8 + 1 = 25 leaving 2 as carry.  Now, 3rd step is 2 + x + x + x = 5 => x = 1   Hence, the three dgits are 1, 8, 5. 185 + 185 + 185 = 555.

Q: What color does yellow and green make? 1933 0

  • 1
    Lime
    Correct
    Wrong
  • 2
    Ocean mist
    Correct
    Wrong
  • 3
    Maroon
    Correct
    Wrong
  • 4
    Tangerine
    Correct
    Wrong
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Answer : 1. "Lime"
Explanation :

Answer: A) Lime Explanation: Yellow and green color mix make a Lime color.   The three primary colors in additive mixing are red, green, and blue. In the absence of color or, when no colors are showing, the result is black. If all three primary colors are showing, the result is white. When red and green combine, the result is yellow. When red and blue combine, the result is magenta. When blue and green combine, the result is cyan.

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