Math, asked by tanishka23, 1 year ago

to print page number on a english book o 340 pages, how many times the digit 3 will be used?

Answers

Answered by hritvik
2
to print page number on a english book o 340 pages, how many times the digit 3 will be used?
114

tanishka23: yaa its absolutely correct ans
tanishka23: but whats the trick you used
Answered by virk7
1
3-30=4
31-40=10
41-130=10
131-139=10
143-193=6
200-300=10+10=20+1
300-310=11
311-320=11
321-330=12
331-340=12=114

virk7: oo sry there is a mistake 331-340 =19
tanishka23: ohh
tanishka23: no problem
virk7: hmm
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