Certain 3-digit numbers have the following characteristics:
1. All the three digits are different.
2. The number is divisible by 7.
3. 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
Негізгі бет 2017_Qn A49, Certain 3-digit numbers have the following characteristics: 1. All the three digits ..
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