Question : In a big garden, 60% of the trees are coconut trees, 25% of the coconut trees are mango trees and 20% of the mango trees are apple trees. If the number of apple trees is 1500, the number of trees in the garden is:
Option 1: 48000
Option 2: 50000
Option 3: 51000
Option 4: 45000
Correct Answer: 50000
Solution : Let us assume that the total number of trees in the garden is 100 units. Coconut trees = 60 units Mango trees = 60 × 0.25 = 15 units Apple trees = 15 × 0.2 = 3 units As per the question, 3 units = 1500 $\therefore$ 1 unit = 500 Total Number of trees = 500 × 100 = 50000 Hence, the correct answer is 50000.
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