TCS Company Numerical Ability

what does 3343 end in Can you determine?

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TCS Other Question

A tank is filled in 10 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?
A. 70 hours
B. 30 hours
C. 35 hours
D. 50 hours
Find the value of "n" where 3^48 + 3^1996 +3^3943+3^3n.