Practice Questions

<ul style="color: rgb(255,255,255);"><li>Calculate the square root: The value of √784 is 28, as 28 × 28 = 784.</li><li>Simplify the powers: 43 = 4 × 4 × 4 = 64 and 23 = 2 × 2 × 2 = 8.</li><li>Substitute the values: The expression becomes (28 × 64) / (7 × 8).</li><li>Perform the division: Simplify the terms: 28 / 7 = 4 and 64 / 8 = 8.</li><li>Final calculation: Multiply the resulting values: 4 × 8 = 32.</li><li>Mathematical Tip: For Kerala PSC exams, memorizing perfect squares up to 30 (e.g., 202=400, 252=625, 302=900) saves significant time during quantitative aptitude sections.</li></ul>

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