alleryএটা পাইপে প্ৰতি মিনিটত 25 লিটাৰ পানী সোমোৱায়, এটা বিন্ধাই প্ৰতি মিনিটত 5 লিটাৰ পানী উলিয়াই দিয়ে। এটা 400 লিটাৰ টেংক ভৰ্তি হ'ব
A25 মিনিট
B16 মিনিট
C20 মিনিট
D80 মিনিট
Answer & Solution
Correct answer: C. 20 মিনিট
প্ৰকৃত অন্তৰ্বাহ প্ৰতি মিনিটত 20 litres, গতিকে 400/20 = 20 minutes।
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