Question
In a two-digit number, the ratio of the tens digit to
the unit digit is 4:1. If the sum of the digits is 25, what is the product of the digits?Solution
ATQ,
Let, ten’s digit and unit’s digit be 4x and 1x respectively. 4x + 1x = 25 5x = 25 x = 25/5 = 5 Therefore, required number = 45 So, product of digits = 4 × 5 = 20
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