13th march 2017 was monday. What day of the week was 21st February 2016 ?

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Kerala PSC Common Preliminary Exam (GRADUATE LEVEL) PYP - 37/23
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  1. Saturday
  2. Sunday
  3. monday
  4. Tuesday

Answer (Detailed Solution Below)

Option 2 : Sunday
Free
Indian Polity
20 Qs. 20 Marks 18 Mins

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<style type="text/css">body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; background-color: #f4f4f4; color: #333; } .highlight-span { font-weight: bolder; color: rgb(33, 37, 41); } .highlight-calc { font-weight: bolder; text-decoration: underline; color: rgb(33, 37, 41); } ul { list-style-type: none; padding-left: 0; } li { margin-bottom: 5px; } </style><p><span class="highlight-span">Given:</span> 13th March 2017 was Monday.</p><p><span class="highlight-span">To Find:</span> Day of the week for 21st February 2016.</p><p><span class="highlight-span">Solution:</span></p><p>We need to calculate the total number of days between 21st February 2016 and 13th March 2017 and then find the odd days.</p><p>Let's count the days from 21st February 2016 to 13th March 2017:</p><ul> <li>Days remaining in February 2016 (2016 is a leap year, so Feb has 29 days): 29 - 21 = <span class="highlight-calc">8 days</span></li> <li> </li> <li>Total number of days = 8 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 + 31 + 28 + 13 = <span class="highlight-calc">386 days</span>.</li> </ul><p>Now, we find the number of odd days:</p><p>⇒ Odd Days = Total days ÷  7</p><p>⇒ Odd Days = 386 ÷  7 = <span class="highlight-calc">1</span></p><p>Since we are going backward from 13th March 2017 (Monday) to 21st February 2016, we subtract the odd days from Monday.</p><p>⇒ Monday - 1 day = <span class="highlight-calc">Sunday</span></p><p>Hence, 21st February 2016 was <span class="highlight-span">Sunday</span>.</p> - pehlivanlokantalari.com
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