IBPS Government Jobs Exams Numerical Ability Pipes and Cistern

In a tank there are three inlet pipes P, Q and R and one outlet pipe S. Pipe R fills the tank two times faster than pipe P and three times faster than pipe Q. Outlet S takes 10 minutes to empty the full tank. Time taken by inlet R to fill the empty tank is 2/5th of the time taken by S to Empty the full tank. In what time Will the inlets P and Q together fill the empty tank ?
A) 4⅘ minutes B) 4⅖ minutes C) 3⅘ minutes D) 3 ⅖ minutes E) 5⅔ minutes

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IBPS Other Question
4 girls can do a piece of work in 8 days. 3 boys can do the same piece of work in 9 days. 7 men do the same piece of work in 2 days and 5 women can do the same piece of work in 4 days. Who is least efficient ?
A) Boys B) Girls C) Women D) Men E) None of thses Find the wrong term in the following number series?
1146, 1217, 1371, 1573, 1800, 2036
A)1371 B)1573 C)1217 D)2036 E)1800