Four friends Robert, Thomas, Jack and Mary works in the same factory, – McqOptions

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1.	Four friends Robert, Thomas, Jack and Mary works in the same factory, and if their salary is as follows: Salary of Robert is 10% less than Thomas and Thomas gets 25% less than Jack and Jack gets 20% less than Mary and the salary of Robert is Rs. 3600, then find the salary received by Mary.
A.	Rs. 3500
B.	Rs. 4000
C.	Rs. 4500
D.	Rs. 4800
Answer» C. Rs. 4500

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