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#10537 Bangla Language & Literature চৌবাচ্চা Level 0

একটি চৌবাচ্চা তিনটি নল দিয়ে যথাক্রমে ৮, ১২ ও ২৪ ঘণ্টা পূর্ণ হতে পারে । তিনটি নল একসাথে খুলে দিলে চৌবাচ্চাটির তিন চতুর্থাংশ পূর্ণ হতে কতো সময় লাগবে ?

  1. A ২ ঘণ্টা
  2. B ৩ ঘণ্টা
  3. C ৪ ঘণ্টা
  4. D ৫ ঘণ্টা
Answer: B - ৩ ঘণ্টা

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