how many threes are there from one to hundred?
Answers
Answered by
7
Answer:
3,6,9,12,15......99
a=3, d=3
a+(n-1)d=99
3(n-1)=96
n-1=32
n=33...
Therefore there are 33 threes from one to hundred....
Answered by
0
Answer:
Explanation: 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, 93 and ten numbers with 3 as the ten's digit - 30, 31, 32, 33, 34, 35, 36, 37, 38, 39. So, required number = 10 + 10 = 20. 20 times.
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