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| Q.42 | A, B और C एक कार्य को क्रमशः 20 दिन, 30 दिन और 60 दिन में पूरा कर सकते हैं। यदि A प्रतिदिन कार्य करता है, और प्रत्येक तीसरे दिन B और C भी A के साथ कार्य करते हैं, तो कार्य कितने दिनों में पूरा हो जाएगा? | |
| Ans | 1. 12 | |
| 2. 21 | ||
| 3. 18 | ||
| 4. 15 |
Correct Ans Provided: 4
