Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours.

Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is-

Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is- ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Nihar Afrin

0 12

Institution: BASIC Bank Ltd Exam: BASIC Bank Ltd - Asst. Officer - 29.08.2009 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5,9 and 13 (factors of 585) and got the remainders, 4,8, 12 respectively.If he had divided the number by 585, what would have been the remainders?

Present age of Samad and Akmal are in the ratio of 5:4 respectively. Three years later, the ratio of their ages will become 11:9 respectively. What is Akmals present age?

Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is- ?

In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5,9 and 13 (factors of 585) and got the remainders, 4,8, 12 respectively.If he had divided the number by 585, what would have been the remainders?

Present age of Samad and Akmal are in the ratio of 5:4 respectively. Three years later, the ratio of their ages will become 11:9 respectively. What is Akmals present age?

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