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Question

Given below are four numbers, three of which are alike in some manner and one is different. Pick the odd one out.

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
4913

To solve this logical reasoning problem, we need to identify the number that is different from the others based on a certain criterion. The options provided are: 3546, 1744, 4913, and 1333.

Upon close examination, one possible way these numbers can be related is by checking if any of them is a perfect cube. A perfect cube is a number that can be expressed as the cube of an integer.

  1. Calculate the cube root of each number to determine if it is a perfect cube:
    • Cube root of 3546: \(\sqrt[3]{3546} \approx 15.49\) (not an integer)
    • Cube root of 1744: \(\sqrt[3]{1744} \approx 12.04\) (not an integer)
    • Cube root of 4913: \(\sqrt[3]{4913} = 17\) (an integer)
    • Cube root of 1333: \(\sqrt[3]{1333} \approx 10.72\) (not an integer)
  2. From the calculations above, we see that 4913 is a perfect cube as it equals \(17^3\). None of the other numbers are perfect cubes.
  3. Therefore, the odd one out, as it is a perfect cube, is 4913.

Based on this reasoning, the correct answer is 4913.

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Similar Questions

  1. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  2. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  3. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  4. Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  5. Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
  6. Given below are four numbers, of which three are alike in some manner and one is different. Choose the odd one.
  7. Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
  8. Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.
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  10. Out of the four vegetables listed, three are alike in some manner and one is different. Select the odd one.

Important Questions from Classification

  1. In the following question, four number pairs are given. In each pair the number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule/Relation. Three pairs are similar on basis of same Logic/Rule/Relation.
    Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13 - Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

  2. Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
    (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster.)

  3. Three of the following numbers are alike in a certain way and one is different. Pick the odd one out.

    (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/deleting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

  4. The following contains two pairs of words which are related to each other in a certain way. Three of the following four word-pairs are alike as these have the same relationship and thus form a group. Which word-pair does NOT belong to that group?
    (The words must be considered as meaningful English words and must not be grouped based on the number of letters/number of consonants/vowels in the word)

  5. Three of the following four options are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

    (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g., 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

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