A) 11
B) 18
C) 20
D) 21
Correct Answer: C
Solution :
Clearly, from 1 to 100, there are ten numbers with 3 as the unit's digit\[-\]3, 13, 23, 33, 43, 53, 63, 73, 83 and 93 and ten numbers with 3 as the ten's digit\[-\]30, 31, 32, 33, 34, 35, 36, 37, 38 and 39. So, required number\[=10+10\text{ }=20\]You need to login to perform this action.
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