Question

if we add 81 to 12% of a number than we will get 21% of that same number. then what will be the number? ​

Answer 1

Step-by-step explanation:

Given HCF=12,LCM=5040

and also one number is 144

Let the other number be x

As we know that

Product of two numbers is HCF×LCM

⟹144×x=12×5040

⟹x=420

The other number is 420

Answer 2

Step-by-step explanation:

Here it is

900 is the number

12x/100+81 is 21x/100

81 is 9x/100

then the answer will be 900

hope it helps you