alleryএটা ইনলেট পাইপে এটা টেংক 6 ঘণ্টাত ভৰ্তি কৰে আৰু আন এটাই 12 ঘণ্টাত কৰে। দুয়োটা পাইপ একেলগে খুলি দিলে টেংকটো ভৰ্তি হ'ব
A9 ঘণ্টা
B5 ঘণ্টা
C4 ঘণ্টা
D3 ঘণ্টা
Answer & Solution
Correct answer: C. 4 ঘণ্টা
ভৰ্তি হোৱাৰ হাৰ যোগ কৰিলে প্ৰতি ঘণ্টাত টেংকটোৰ 1/6 + 1/12 = 3/12 = 1/4 অংশ পোৱা যায়, গতিকে 4 hours।
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