Question

2. Certain 3-digit numbers have
following characteristics :
the
1.
All the three digits are different.
2.
The number is divisible by 7.
The number on reversing the digits
is also divisible by 7.
How many such 3-digit numbers are
there?
(a) 2
(b) 4
(c) 6
(d) 8​

Answer 1

Answer:

8

Step-by-step explanation:

numbers are 147, 714, 217, 712,343,343,777,777