GRE Practice Question and Answer

Q: In a certain code language, 'is uc he bh kr' mean 'Lucky likes to dance freely', 'ha by lm kr op' mean 'Dance can be a hobby', 'he id ac kr bh' mean 'Lucky teaches dance to kids' and 'kr id bh tw uc' mean 'Kids dance freely with Lucky'. Now answer the given question. 'Lucky likes to dance with kids' can be coded as ? 2545 0

  • 1
    he kr op id uc tw
    Correct
    Wrong
  • 2
    bh is he kr tw id
    Correct
    Wrong
  • 3
    ac tw op bh uc id
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "bh is he kr tw id"
Explanation :

Answer: B) bh is he kr tw id Explanation: From given data, codes for Lucky - bh Likes - is to - he Dance - kr with - tw Kids - id Hence, Lucky like to dance with kids can be coded as 'bh is he kr tw id'.

Q: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even ? 2541 0

  • 1
    521
    Correct
    Wrong
  • 2
    720
    Correct
    Wrong
  • 3
    420
    Correct
    Wrong
  • 4
    225
    Correct
    Wrong
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Answer : 2. "720"
Explanation :

Answer: B) 720 Explanation: Let last digit is 2when second last digit is 4 remaining 4 digits can be filled in 120 ways, similarly second last digit is 6 remained 4 digits can be filled in 120 ways.so for last digit = 2, total numbers=240   Similarly for 4 and 6When last digit = 4, total no. of ways =240and last digit = 6, total no. of ways =240so total of 720 even numbers are possible.

Q: Expansion cards are inserted into 2536 0

  • 1
    Peripheral Devices
    Correct
    Wrong
  • 2
    Pegs
    Correct
    Wrong
  • 3
    Slots
    Correct
    Wrong
  • 4
    The back of the computer
    Correct
    Wrong
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Answer : 3. "Slots"
Explanation :

Answer: C) Slots Explanation: In computing, the expansion card or board or accessory card is a printed circuit board that can be inserted into an electrical connector or expansion slot, on a computer motherboard, to add functionality to a computer system via the expansion bus.

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Answer : 2. "10"
Explanation :

Answer: B) 10 Explanation: Raj Tarun's age = 0 when he was born.Then, given his brother is 6 years old.Then his father is 6 + 32 = 38 when Raj Tarun was bornAnd his mother is 3 years yonger than his father => so his mother was 35 years old when Raj Tarun was bornand his sister is 25 year younger than his mother so Raj Tarun's sister was 10 years old when Raj Tarun was born.

Q: One paper is equally folded 35 times, then what is the new thickness of the paper ? 2526 0

  • 1
    T(2^50)
    Correct
    Wrong
  • 2
    50T
    Correct
    Wrong
  • 3
    2 x 50 T
    Correct
    Wrong
  • 4
    T/50
    Correct
    Wrong
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Answer : 1. "T(2^50)"
Explanation :

Answer: A) T(2^50) Explanation: Let initial thickness of the paper be 'T'after first fold it will be '2T' = 21Tafter second fold it will be '4T' = 22T after 50th fold it will be T x (250T)

Q: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?  ___ utt ___ tt ___ ttu ___ 2518 0

  • 1
    t t u t
    Correct
    Wrong
  • 2
    t u t t
    Correct
    Wrong
  • 3
    t u u t
    Correct
    Wrong
  • 4
    t t t u
    Correct
    Wrong
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Answer : 3. "t u u t"
Explanation :

Answer: C) t u u t Explanation: t, u, u and t. The sequence is : tut tut tut tut.

Q: In the following sentence, Find out which pair of words can be filled in the blanks in order to make a meaningful sentence. A four - year - old girl ______ her life after she was _____ from a 400 ft bore well she had slipped into. 2516 0

  • 1
    Default, released
    Correct
    Wrong
  • 2
    Made, treated
    Correct
    Wrong
  • 3
    Maintained, sustained
    Correct
    Wrong
  • 4
    Lost, rescued
    Correct
    Wrong
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Answer : 4. "Lost, rescued"
Explanation :

Answer: D) Lost, rescued Explanation: Lost, rescued are the words which gives meaning to the sentence. For other options: Default - Fail Sustained - suffered  are suitable and correct pairs.

Q: If a number 72k23l is divisible by 88. Then find value of k and l ? 2513 0

  • 1
    k=8 & l=2
    Correct
    Wrong
  • 2
    k=7 & l=2
    Correct
    Wrong
  • 3
    k=8 & l=3
    Correct
    Wrong
  • 4
    k=7 & l=1
    Correct
    Wrong
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Answer : 2. "k=7 & l=2"
Explanation :

Answer: B) k=7 & l=2 Explanation: If a number to be divisile by 88, it should be divisible by both "8" and "11" Check for '8' :For a number to be divisible by "8", the last 3-digit should be divisible by "8"Here 72x23y --> last 3-digit is '23y'So y=2 [ (i.e) 232 is absolutely divisible by "8"] Chech for '11' :For a number to be divisible by "11" , sum of odd digits - sum of even digits should be divisible by "11"(7 + x + 3) - (2 + 2 + y)(7 + x + 3) - (2 + 2 + 2)(10 + x) - 6 should be divisible by "11"for x = 7=> 17 - 6 = 11 [ which is absolutely divisible by "11"] So x = 7 , y= 2.

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