Question
How many three digit numbers have a digital root of 8 with an order 1?
Answer: Option B
:
B
Question is A+B+C=8, where A>0. So, question changes to A+B+C=7.
Using 1-0 method, answer is based on the arrangement of 7 zeroes and 2 ones =9C2=36
Was this answer helpful ?
:
B
Question is A+B+C=8, where A>0. So, question changes to A+B+C=7.
Using 1-0 method, answer is based on the arrangement of 7 zeroes and 2 ones =9C2=36
Was this answer helpful ?
Submit Solution