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Reservoir A contains 450 million gallons of water more than does Reservoir B. If 100 million gallons of water were to be drained from Reseryoir A into Reservoir B, then Reservoir A would contain twice as much water as would Reservoir B. How many million gallons of water does reservoir A currently contain?

A. 800

B. 700

C. 600

D. 500

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JUIBA (Unit-G)Set-Dমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)JU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥

সঠিক উত্তরঃ A. 800

Explanation:

একটি পুকুরে কচুরিপানা প্রতিদিন দ্বিগুণ হারে বৃদ্ধি পায়। যদি পুকুরটি কচুরিপানা দিয়ে ভরে যেতে ২৮ দিন লাগে তবে অর্ধেক পুকুরটি ভরে যেতে কত দিন লাগবে?
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