if you write down all the numbers from 1 to 100 then how many times do | Examsbook

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Q: If you write down all the numbers from 1 to 100, then how many times do you write 4 ?

1
11
2
20
3
17
4
14

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Answer : 2. "20"
Explanation :
Answer: B) 20 Explanation: 4, 14, 24, 34, 44, 54, 64, 74, 84, 94 => has 11 number of (4's)40, 41, 42, 43, 45, 46, 47, 48, 49 => has 9 number of (4's)So, totally (11 + 9 = 20) number of 4's in 1 to 100.

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