Instructions

What will come in place of the question mark (?) in the given questions ?

Question 106

$$10 (1024.8 + 24.6 - 4.2) = ?^{2} + 48$$

Solution

Expression : $$10 (1024.8 + 24.6 - 4.2) = ?^{2} + 48$$

=> $$10 \times 1045.2 = (x)^2 + 48$$

=> $$(x)^2 = 10452 - 48 = 10404$$

=> $$x = \sqrt{10404} = 102$$

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