Instructions
What should come in place of the question mark (?) in the following questions ?
Solution
Expression : $$7921 \times 51+ 374 = (?)^{3}$$
=> $$403971 + 374 = (x)^3$$
=> $$x^3 = 404345$$
=> $$x = \sqrt[3]{404345} = 73.9 \approx 74$$
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