Question

Two numbers are less than a third number by 30%30% and 37%37% respectively. The percent by which the second number is less than the first is: ​

Answer 1

Answer:

10%

Step-by-step explanation:

let the no. be x.

than first no. = (100-30)% of x = 70% of x = 7x/10

second number is = (63x/100)

Difference = 7x/10 - 63x/100 = 7x/10

so required percentage is, difference is what percent of first number

= (7x/100 * 10/7x * 100)% = 10%

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