Question

A Typist while typing the numbers from 600 to 799 mistakenly he typed 8 every time in place of 6. So the total number of times he has typed 8 is

Answer 1

Answer:

139 times

Step-by-step explanation:

600 to610 (11 times)

611 to 620 (11 times)

621 to 630 (11 times)

631 to 640 (11 times)

641 to 650(11 times)

651 to 660 (12 times)

661 to 670 (20 times)

671 to 680 (11 times)

681 to 690 (11times)

691 to 700 ( 10 times)

701 to 710 (1 time)

711 to 720 (1 time)

721 to 730 (1 time)

731 to 740 (1 time)

741 to 750 (1 time)

751 to 760 (2 time)

761 to 770 (10 time)

771 to780 (1 time)

781 to 790 (1 time)

791 to 799 (1 time)

total =139

although he typed 8 at right places also so if mistakenly taken counts then this answer be correct. 180 is answer if total 8 count ( either right or wrong places) hope it helps thanks