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Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

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KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A

Three valves, when opened individually, can drain the water from a certain tank in 3, 4 and 5 minutes respectively. What is the greatest part of the tank that can be drained in one minute by opening just two of valves?

7/12

4

5

7

KU2006IQ-4মানসিক দক্ষতা(IQ)গাণিতিক সমস্যাUnit-A