Question
189.23 + 18.11² + ?³ = √841.76 *
28.94 What approximate value should come in the place of (?) in the following questions? (Note:- You don't need to calculate the exact values)Solution
ATQ,
189.23 + 18.11² + ?³ = √841.76 * 28.94
189 + 18² + ?³ = √842 * 29
189 + 324 + ?³ = 29 * 29
513 + ?³ = 841
?³ = 328
? ≈ 7
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