श्रीमान 'X' के तीन बच्चे हैं । पहले बच्चे का जन्मदिन अप्रैल के पांचवें सोमवार को पड़ता है, और दूसरे का नवम्बर के पांचवें बृहस्पतिवार को पड़ता है । उसके तीसरे बच्चे का जन्मदिन किस दिन है, जो कि 20 दिसम्बर को पड़ता है?
सही उत्तर (B) Thursday है।
व्याख्या:
To find the day of the week for 20th December: First, let's look at the pattern of the 5th occurrence of a day in a month. A month has 30 or 31 days. A 5th Monday/Thursday can only occur if the month has 31 days and the 1st, 2nd, or 3rd day of the month is that particular day. Let's test December: 20th December. We need to find the day of the week for December 20. Wait, the question gives clues via the first two children's birthdays to establish a calendar reference or year, or we can solve it directly based on standard calendar alignment. In a non-leap year or leap year, let's check the days. The 5th Thursday of November implies November has 30 days and starts on a specific day. By determining the consistent calendar year alignment where April has 5 Mondays and November has 5 Thursdays, we find the corresponding day for 20th December, which falls on a Sunday.
In English (Question & Model Answer)
Mr 'X' has three children. The birthday of the first child falls on the 5th Monday of April, that of the second one falls on the 5th Thursday of November. On which day is the birthday of his third child, which falls on 20th December?
The correct answer is (B) Thursday.
Explanation:
To find the day of the week for 20th December: First, let's look at the pattern of the 5th occurrence of a day in a month. A month has 30 or 31 days. A 5th Monday/Thursday can only occur if the month has 31 days and the 1st, 2nd, or 3rd day of the month is that particular day. Let's test December: 20th December. We need to find the day of the week for December 20. Wait, the question gives clues via the first two children's birthdays to establish a calendar reference or year, or we can solve it directly based on standard calendar alignment. In a non-leap year or leap year, let's check the days. The 5th Thursday of November implies November has 30 days and starts on a specific day. By determining the consistent calendar year alignment where April has 5 Mondays and November has 5 Thursdays, we find the corresponding day for 20th December, which falls on a Sunday.