Multiple choice

27 men or 9 women can complete a work in 62 days. 48 men and 15 women working together will complete the whole work in how many days ? 27 पुरूष या 9 महिलायें किसी कार्य को 62 दिनों में समाप्त कर सकते हैं। 48 पुरूष तथा 15 महिलायें एक साथ कार्य करते हुए सम्पूर्ण कार्य को कितने दिनों में समाप्त करेंगे ?

  1. 20.5 days 20.5 दिन

  2. 15 days 15 दिन

  3. 24 days 24 दिन

  4. 18 days 18 दिन

  5. None of these इनमें से कोई नहीं
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

27 men complete work in 62 days, so 1 man takes 27 × 62 = 1674 days. Similarly, 9 women take 62 days, so 1 woman takes 9 × 62 = 558 days. Combined rate of 48 men + 15 women = 48/1674 + 15/558 = 48/1674 + 45/1674 = 93/1674. Days = 1674/93 = 18 days.

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