A four-digit pin, say 'abcd', of a lock has different non-zero digits. The digits satisfy b = 2a, c = 2b, d = 2c. The pin is divisible by . . . . . . . .
A. 2, 3, 5
B. 2, 3, 7
C. 2, 3, 13
D. 2, 3, 11
Answer: Option C
Solution (By Examveda Team)
abcdLet a = 1
1 2 4 8
÷ 2 ✓
÷ 3 ✓
÷ 13 ✓
This Question Belongs to Arithmetic Ability >> Number System
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