Aptitude Questions Practice Question and Answer

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Answer : 2. "280"

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Answer : 4. "15 मिनट"

Q:

‘SECOND’ शब्द के अक्षरों को कितने अलग-अलग तरीकों से व्यवस्थित किया जा सकता है?

3352 0

  • 1
    720
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    5040
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
  • 5
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 1. "720"
Explanation :

Number of letter in word ‘SECOND’ =6
The number of ways can the letters of word be arranged =6×5×4×3×2×1=720

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Answer : 2. "60"

Q: In a code, CORNER is written as GSVRIV. How can CENTRAL be written in that code? 5373 4

  • 1
    DFOUSBM
    Correct
    Wrong
  • 2
    GIRXVEP
    Correct
    Wrong
  • 3
    GNFJKER
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "GIRXVEP"

Q: Find value of log27 +log 8 +log1000log 120 1784 1

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

Answer: B) 3/2 Explanation:  = log 33 + log 23+ log 103log10×3×22        =log33 12+log 23+log 10312log(10×3×22)                 =12log 33+3 log 2+12 log103log10+log3+log22                 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32

Q: What is the number of digits in 333? Given that log3 = 0.47712? 5605 0

  • 1
    12
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "13"
Explanation :

Answer: B) 13 Explanation:  Let   Let x=333 = 333    Then, logx = 33 log3     = 27 x 0.47712 = 12.88224    Since the characteristic in the resultant value of log x is 12   ∴The number of digits in x is (12 + 1) = 13    Hence the required number of digits in 333is 13.

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