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X,Y,W,Z jointly purchased an office space for Rs 84 lakhs. The amount contributed by Y,W and Z put together is three times of X. The amount contributed by X,W and Z put together is 320% of Y. Further, the amount contributed by W is 20% of X,Y and Z put together. What is the contribution of Z? | Watch the step-by-step video solution for this NIMCET PYQ.