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Simplify:$$((7^2)^3 \div 49^2) \times ([32 - 20] \div 4)$$
128
143
120
147
Expression : $$((7^2)^3 \div 49^2) \times ([32 - 20] \div 4)$$
= $$7^{(6-4)}\times\frac{12}{4}$$
= $$49\times3=147$$
=> Ans - (D)
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