Simplify the expression: 45 - [38 - (60 / 3 - 6 - 9)].
Option C
Inner bracket first: (20 - 6 - 9) = 5. Outer bracket: [38 - 5] = 33. Finally: 45 - 33 = 12.
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No verified paper has been uploaded for AJKPSC-PMS Mathematics Set-10 yet. The MCQs below are drawn from the Mathematics subject category.
Inner bracket first: (20 - 6 - 9) = 5. Outer bracket: [38 - 5] = 33. Finally: 45 - 33 = 12.
Approximate to 7^2 / sqrt(49). This becomes 49 / 7 = 7.
Approximate to nearest perfect squares: sqrt(121) + sqrt(169). Evaluate roots: 11 + 13 = 24.
Approximate to 6^2 - sqrt(25). Evaluate power and root: 36 - 5 = 31.
Approximate to sqrt(81) * sqrt(16). Evaluate roots: 9 * 4 = 36.
Approximate to 3^3 + 5. Calculate power: 27 + 5 = 32.
Approximate to sqrt(400) * 2. Evaluate root first: 20 * 2 = 40.
Approximate to 10^2 / 5. This evaluates to 100 / 5 = 20.
Approximate to 5^2 + 3^2. Calculate powers: 25 + 9 = 34.
Approximate to sqrt(225) - 5. This evaluates to 15 - 5 = 10.