What should come in place of question mark (?) in the following questions? ?^3\times36 + 188% of 1225 − 20% of 395 = (82)^2

RRB Paramedical Staff Nurse Model Paper 6

Question : 56 of 100

Marks: +1, -0

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

?^3×36 + 188%

1225 − 20%

395 = (82)^2

Solution:

?^{3} × 36+\;{188}/{100} × 1225-\;{20}/{100} × 395=6724

?^{3} × 36+2303-79=6724

?^{3} × 36=6724-2224

?^{3} × 36=4500

?^{3}=\;{4500}/{36}

?^{2}=125

?=5

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