How many 5 – digit numbers divisible by 4 can be formed using the digits 5,6, 7, 8, and 9 such that there is no repetition of digits?A)30B)21C)24D)18 About the author Kennedy
Answer: important number is only last two digit to find ita divide by 4 you note only even number first check if last digit is 6 second check last digit 8 56,76 two numbers is divided by 4 so first 3 digit arrangement = 3!×2 =12 68 is only number which divide by 4 =3!×1 =6 total number =12+6 =18 Answer = D) 18 Reply
Answer:
24
Step-by-step explanation:
Answer:
important number is only last two digit to find ita divide by 4
you note only even number
56,76 two numbers is divided by 4 so first 3 digit arrangement = 3!×2 =12
68 is only number which divide by 4 =3!×1 =6
total number =12+6 =18
Answer = D) 18