Latest other Aptitude Question SOLUTION: Book contain 534 pages . how many times does 3 digit appear in page numbers ?

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(#M40131206) OTHER Numerical Ability question Integers Keep an EYE

Book contain 534 pages . how many times does 3 digit appear in page numbers ?

Asked In other Kanika Mathur (9 years ago)

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aman  (9 years ago)

Pg 001 - 099 = 20 times (count it)
Pg 100- 199 = 20
Pg 200- 299 = 20
Hold on for pg 300- 399
Pg 400- 499 = 20
Pg 500 - 534 = 9

Pg 300= 1
Pg 301-310 = 11
Pg 311 - 320 = 11
Pg 321 - 330 = 12
Pg 341 - 350 = 11
Pg 351 - 360 = 11
Pg 361 - 370 = 11
Pg 371 - 380 = 11
Pg 381 - 390 = 11
Pg 391 - 399 = 11

Pg 331 - 340 = 20
(331,332,333,334,335,336,337,338,339,
340)

Total = 20+20+20+20+9+1+11+11+12+11+11+11+11+11+11+20= 210

In above by mistake counted 19 instead of 20.

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aman  (9 years ago)

209 times 3 appear on page
Pg 001 - 099 = 20 times (count it)
Pg 100- 199 = 20
Pg 200- 299 = 20
Hold on for pg 300- 399
Pg 400- 499 = 20
Pg 500 - 534 = 9

Pg 300= 1
Pg 301-310 = 11
Pg 311 - 320 = 11
Pg 321 - 330 = 12
Pg 341 - 350 = 11
Pg 351 - 360 = 11
Pg 361 - 370 = 11
Pg 371 - 380 = 11
Pg 381 - 390 = 11
Pg 391 - 399 = 11

Pg 331 - 340 = 19

Total = 20+20+20+20+9+1+11+11+12+11+11+11+11+11+11+19= 209

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