CAT Practice Question and Answer

Q: Find the odd one out of the following number series? 9 5 6 14 56 488 2688 0

  • 1
    56
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "56"
Explanation :

Answer: A) 56 Explanation: The given number series follows a pattern that, 9 9 x 0.5 + 0.5 = 5 5 x 1 + 1 = 6 6 x 2 + 2 = 14 14 x 4 + 4 = 60 (not equals to 56) 60 x 8 + 8 = 488.   Hence, the odd one in the given number series is 56.

Q: If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day ? 2687 0

  • 1
    101 men
    Correct
    Wrong
  • 2
    112 men
    Correct
    Wrong
  • 3
    102 men
    Correct
    Wrong
  • 4
    120 men
    Correct
    Wrong
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Answer : 3. "102 men"
Explanation :

Answer: C) 102 men Explanation: From the above formula i.e (m1 x t1/w1) = (m2 x t2/w2) so, [(34 x 8 x 9)/(2/5)] = [(M x 6 x 9)/(3/5)] so, M = 136 men   Number of men to be added to finish the work = 136-34 = 102 men.

Q: Which action is considered a primary function of State government? 2686 0

  • 1
    supervising elected federal government officials
    Correct
    Wrong
  • 2
    regulating political parties and the media
    Correct
    Wrong
  • 3
    organizing a local military to provide security
    Correct
    Wrong
  • 4
    enforcing laws regarding the public safety
    Correct
    Wrong
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Answer : 4. "enforcing laws regarding the public safety"
Explanation :

Answer: D) enforcing laws regarding the public safety Explanation: The primary function of State government is enforcing laws regarding the public safety.

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Answer : 4. "2834"
Explanation :

Answer: D) 2834 Explanation: Let the total number of votes polled in the election be 100k.Number of valid votes = 100k - 20% (100k) = 80kLet the number of votes polled in favour of K and L be a and b respectively.a - b = 15% (100k) => a = b + 15k=> a + b = b + 15k + bNow, 2b + 15k = 80k and hence b = 32.5kIt is given that 100k = 872032.5k = 32.5k/100k x 8720 = 2834 The number of valid votes polled in favour of L is 2834.

Q: If 10 men take 15 days to complete a work. In how many days will 37 men complete the work? 2680 0

  • 1
    3 days
    Correct
    Wrong
  • 2
    4 days
    Correct
    Wrong
  • 3
    5 days
    Correct
    Wrong
  • 4
    6 days
    Correct
    Wrong
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Answer : 2. "4 days"
Explanation :

Answer: B) 4 days Explanation: Given 10 men take 15 days to complete a work => Total mandays = 15 x 10 = 150 Let the work be 150 mandays. => Now 37 men can do 150 mandays in 150/37 =~ 4 days

Q: Dhanraj Pillay is related to which sports ? 2678 0

  • 1
    Cricket
    Correct
    Wrong
  • 2
    Hockey
    Correct
    Wrong
  • 3
    Golf
    Correct
    Wrong
  • 4
    Football
    Correct
    Wrong
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Answer : 2. "Hockey"
Explanation :

Answer: B) Hockey Explanation: Dhanraj Pillay is a retired Indian field hockey player and former captain of the Indian national team.He currently serves as the manager of the team.

Q: Ratio of the ages of Mahesh and Nilesh is 5 : x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x ? 2673 0

  • 1
    11.8
    Correct
    Wrong
  • 2
    12.9
    Correct
    Wrong
  • 3
    13.7
    Correct
    Wrong
  • 4
    14.5
    Correct
    Wrong
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Answer : 4. "14.5"
Explanation :

Answer: D) 14.5 Explanation: Let the present ages of Mahesh, Nilesh and Ramesh be k, l and m respectively.k/l = 5/x ------ (1)k = m - 18 ------ (2)m + 9 = 47 ------ (3)k - l = m ----- (4)(3) => m = 47 - 9 = 38 years(2) => k = 38 -18 = 20 years(1) => 20/l = 5/x => l = 4x(4) => 4x - 20 = 38=> 4x = 58 => x = 14.5

Q: What is the missing number in 5, 14, 42, 107, 233, ? 2668 0

  • 1
    316
    Correct
    Wrong
  • 2
    384
    Correct
    Wrong
  • 3
    450
    Correct
    Wrong
  • 4
    479
    Correct
    Wrong
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Answer : 3. "450"
Explanation :

Answer: C) 450 Explanation: Given Series is 5, 14, 42, 107, 233, _? 5, 14, 42, 107, 233, _? Differences is 9, 28, 65, 126 9 = 2^3 + 1 28 = 3^3 + 1 65 = 4^3 + 1 126 = 5^3 + 1 Now, next difference must be 6^3 + 1 = 217 Hence, next number in the given series = 233 + 217 = 450.

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