find a and b so that the following odd number are divisible by both 3 and 5 (I) 7b25 and (ii) 8ab4b... please answer steps by step
Share
find a and b so that the following odd number are divisible by both 3 and 5 (I) 7b25 and (ii) 8ab4b... please answer steps by step
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
(i)7b25
It is divisible by 5.
For it to be divisible by 3, 5+b must be divisible by 3.
Therefore, b=1,4,7
(ii)8ab4b
For the number to be odd and divisible by 5, b=5
Now, for it to be divisible by 3, 4+a must be divisible by 3.
Therefore, a=2,5,8
it's ok be calm I am not angry on u .
let's be friends ❤️✌️
#Twinkle❤️。◕‿◕。