Sue planted 4 times as many apple seeds as she planted orange seeds.15% of the apple seeds grew into trees and 10% of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
Solution
Correct Answer: Option B
মনে করি ,Orange সিড =x
অতএব , apple =4x
প্রশ্নমতে,
অতএব , apple =4x
প্রশ্নমতে,
4x×15%+x×10%=420
বা, (4x×15)/100+(x×10)/100=420
বা, 60x+10x=42000
বা, 70x=42000
অতএব, x =600
বা, (4x×15)/100+(x×10)/100=420
বা, 60x+10x=42000
বা, 70x=42000
অতএব, x =600
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