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What will come in place of question mark (?) in the following question?25% of 84 × 24% of 85 = ?1. 144.42. 244.43. 428.44. 333.4 |
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Answer» Correct Answer - Option 3 : 428.4 Given: 25% of 84 × 24% of 85 Concept used: a% of N = (a/100) × N where N and a are natural number Calculation: 25% of 84 × 24% of 85 ⇒ (25/100) × 84 × (24/100) × 85 ⇒ (84/4) × (102/5) ⇒ (21 × 102)/5 = 428.4 ∴ The value of '?' is 428.4 |
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