Question
In a town, the ratio of males to females is 5:4. Among
the males, 20% are children, and the rest are adults. If the adult male population is 4,500, what is the total population of the town?Solution
Let the number of males and females are 5x and 4x. Adult males = 80% of 5x = 4x 4x = 4500 x = 1125 total population of the town = 9x = 10,125
More Ratio Questions
25% of 400 + 3 × 102 = ?2
32 + 26 × (484 ÷ 44) + 450 ÷ 9 = ?
(750 / 15 × 15 + 152 + 20% of 125) = ?3
(60 × 8 ÷ 10) × 5 = ?
Find the simplified value of the given expression:
7 of 9 ÷ 3 × 5² + √81 – 14Simplify the expression:
(4x² - 16) / (2x - 4)
721 +21 x 9 - 118 = ? + 82
[√441 ÷7] × 40% of ? = 500 – 12.5% of 400
(?)2 = {(26% of 35% of 3000) ÷ 3} × 91
The alarms of two alarm clocks sound at regular intervals of 72 seconds and 80 seconds. If they beep together for the first time at 6:00 am, at what tim...
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