alleryএটা টেংক সাধাৰণতে 6 hours-ত ভৰ্তি হয় কিন্তু এটা বিন্ধাৰ বাবে 8 hours সময় লাগে। বিন্ধাটোৱে অকলে এটা ভৰ্তি টেংক খালী কৰিব
A18 hours
B48 hours
C24 hours
D14 hours
Answer & Solution
Correct answer: C. 24 hours
বিন্ধাৰ হাৰ হ'ল প্ৰতি ঘণ্টাত 1/6 - 1/8 = 1/24, গতিকে ই এটা ভৰ্তি টেংক 24 hours-ত খালী কৰে।
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