Question
सितंबर 2023 में, एक वर्ष
के कार्यकाल के लिए प्रेस ट्रस्ट ऑफ इंडिया के निदेशक मंडल (Press Trust of India's Board of Directors) के अध्यक्ष के रूप में किसे चुना गया है?Solution
The correct answer is A
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Two inlet pipes M and N alone can fill a tank in 12 hours and 15 hours respectively and an outlet pipe P alone can empty the whole tank in 10 hours. Fir...
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