United India Insurance AO Exam 2013 Question Paper

Instructions

What should come in place of the question mark (?) in the following questions ?

Question 128

$$7921 \times 51+ 374 = (?)^{3}$$

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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