Instructions
What will come in place of the question mark (?) in each of the following Questions ?
Solution
Expression : $$\frac{(4.5)^{2}\times(3.6)^{2}}{(0.9)^{2}\times(0.5)^{2}\times(?)^{4}}=1$$
= $$(?)^4 = \frac{(4.5)^2 \times (3.6)^2}{(0.45)^2}$$
= $$(?)^4 = (10)^2 \times (3.6)^2$$
= $$(?)^4 = 36^2 = 6^4$$
=> $$? = 6$$
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