1.

A two digit number is seven times the sum of its digits and is also equal to 12 less than three times the product of its digits. Find the number.

Answer»

i had a doubt that why we take sum of digit x+y not 10x + y

beacuse we are talking about digit'slike consider a number 43 , sum of digit is 7 but number can be written as 4×10 + 3



Discussion

No Comment Found