Ratio of two numbers is 4 : 5 and their sum is 144. Find the smaller of the two numbers.
Explanation:
Let the numbers be 4x and 5x.
4x + 5x = 144
x = 16
Smaller of the two numbers = 4x = 64.
Alternately,
Smaller number = 4/9 × 144 = 64.
Hence, option (c).
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