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Question

First day of a leap year is Wednesday, then what day of the week was it on $31$st December in that year?

The correct answer is

Thursday

To determine what day of the week December 31st falls on in a leap year starting on a Wednesday, we need to apply some logical steps. In a leap year, there are 366 days.

Here's how we solve this problem:

  1. 366 days in a leap year are divided into 52 weeks and 2 extra days. This is because 366 \div 7 = 52 weeks and 2 days.
  2. The extra 2 days will determine the deviation from the start day.
  3. If the first day of the year is a Wednesday, adding the two extra days leads us to 2 days after Wednesday.
  4. Counting from Wednesday:
    • Thursday (first day after Wednesday)
    • Friday (second day after Wednesday)
  5. Therefore, the day on December 31st of that leap year will be a Friday.

Hence, the correct answer, taking into account the increment is Friday, not Thursday as stated in the question's correct answer.

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Important Questions from Analytical Decision Making

  1. A college council is auditioning students for a cultural festival. They must satisfy the following criteria —
    1. Student must know at least one dance form.

    2. Student must know to play at least one musical instrument.

    3. Student must have good acting skills.

    Which one of the following will the council definitely select? 

    A. Z is a Bharat Natyam dancer, a violinist but does not have any acting skills.

    B. P plays football, guitar, has acted in road shows and is a classical dancer.

    C. J is a contemporary dancer, a great actor and is planning to learn flute.

    D. A plays sitar, is a hip-hop dancer and does not have any acting skills. 

  2. ‘MPQO’ is related to ‘KNSQ’ in a certain way based on the English alphabetical order. In the same way, ‘DGHF’ is related to ‘BEJH’. To which of the following is ‘EINW’ related, following the same logic?

  3. Select the triad in which the numbers are related in the same way as are the numbers of the given triads.

    (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/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.)

    (11, 1, 10)

     (13, 7, 90)

  4. In a certain code language, ‘BIRD’ is written as ‘DKTF’ and ‘KITE’ is written as ‘MKVG’. How will ‘EAGLE’ be written in that language?

  5. Family C has a total monthly income of Rs. 26,000 which includes a pension of Rs. 3,000 earned by th widowed gandmother. The married couple has one 3-year-old son. The family has no members who have a criminal case, they do not own a residential property and they have not received any other subsidy. They are living in a rented house for the past 6 years.

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