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  4. If two numbers are in the ratio (1/12): (1/15), then by what percentage is the second number less than the first. Arrange the following steps in sequential order. (A) Difference between the two numbers will be 5 x-4 x=x (B) Given that the ratio of two numbers = (1/12): (1/15)=5: 4. Consider the numbers be 5 x and 4 x. (C) The percentage by which the second number is less than the first number =(x/5 x) × 100 %=20 %. (D) the second number is x less than the first number.

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Q. If two numbers are in the ratio $\frac{1}{12}: \frac{1}{15}$, then by what percentage is the second number less than the first. Arrange the following steps in sequential order.
(A) Difference between the two numbers will be $5 x-4 x=x$
(B) Given that the ratio of two numbers $=$ $\frac{1}{12}: \frac{1}{15}=5: 4$.
Consider the numbers be $5 x$ and $4 x$.
(C) The percentage by which the second number is less than the first number $=\frac{x}{5 x}$ $\times 100 \%=20 \%$.
(D) the second number is $x$ less than the first number.

Ratio, Proportion and Variation

Solution:

CBAD is the required sequential order.