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#10482 Bangla Language & Literature চৌবাচ্চা Level 0

একটি চৌবাচ্চায় দুটি নল সংযুক্ত আছে । প্রথম নল দ্বারা চৌবাচ্চাটি ৪ মিনিটে পূর্ণ হয় এবং ২য় নল দ্বারা ১২ মিনিটে পূর্ণ হয় । নল দুটি একত্রে খুলে দিলে চৌবাচ্চাটি কতক্ষণে পূর্ণ হবে ?

  1. A
  2. B
  3. C
  4. D
Answer: A - ৩

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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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#12022 Bangla Language & Literature চৌবাচ্চা Level 0

A closed rectangular tank contains a certain amount of water, When the tank is placed on is 3 ft by 4 ft side, the height of the water in the tank is 5 ft , When the tank is placed on another side of dimensions 4 ft by 5 ft, What is the height in feet, of the surface of the water above the ground?

  1. A 3 feet
  2. B 4 feet
  3. C 5 feet
  4. D 6 feet
Answer: A - 3 feet

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#12538 Bangla Language & Literature চৌবাচ্চা Level 0

To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present?

  1. A 10
  2. B 35
  3. C 62.5
  4. D None of these
Answer: C - 62.5

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#13142 Bangla Language & Literature চৌবাচ্চা Level 0

A swimming pool is initially filled to a depth of 96 inches, After 2 wees, the depth has decreased to $92\tfrac{1}{2}$ inches. Assuming that the depth decreased at a constant rate, after how may days would the water depth have reached $92\tfrac{1}{2}$ inches?

  1. A 3
  2. B 6
  3. C 7
  4. D 9
Answer: B - 6

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#14047 Bangla Language & Literature চৌবাচ্চা Level 0

A pipe fills a tank in P minutes and another pipe fills the tank in q minutes, A different pipe makes the tank empty in r minutes. If all these tree pipe are opened then in how many minutes the tank will be full ?

  1. A (p + p - q) / pqr
  2. B (pq + pr - pq) pqr
  3. C (pq + qr - pr) / pqr
  4. D None
Answer:

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