Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
Four digit numbers are formed using the digits 1, 2, 3, 4 (repetition is allowed). The number of such four digit numbers divisible by 11 is
Q. Four digit numbers are formed using the digits 1, 2, 3, 4 (repetition is allowed). The number of such four digit numbers divisible by 11 is
706
116
Permutations and Combinations
Report Error
A
22
B
28
C
44
D
none of these
Solution:
Correct answer is (c) 44