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Solution

Expression : 60% of 20% of 3/5th of ? = 450

=> $\frac{60}{100} \times \frac{20}{100} \times \frac{3}{5} \times X = 450$

=> $\frac{3}{5} \times \frac{1}{5} \times \frac{3}{5} \times x = 450$

=> $x = 450 \times \frac{125}{9}$

=> $x = 50 \times 125 = 6250$



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