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What is the total number of digits printed, if a book containing 150 pages is to numbered from 1 to 150? 

(a) 262 

(b) 342 

(c) 360 

(d) 450

1 Answer

+1 vote
by (66.1k points)
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Best answer

Correct option (b) 342

Explanation:

Number of digits from 1 to 150 = Number of units digits + Number of tens digits + Number of hundreds digits 

= 150 + (150 - 9) + (150 - 99) = 150 + 141 + 51 = 342

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