calculate

Asked by Kaushiki Raj | 21st Jun, 2013, 05:08: PM

Expert Answer:

Number of 1-digit numbers = 5 (0 can't be used)

Number of 2 digit numbers = 5 × 6 = 30 (0 can't be used at tens place)

Number of 3 digit numbers = 5 × 6 × 6 = 180 (0 can't be used at hundreds place)

?Total numbers = 5 + 30 + 180 = 215

Answered by  | 21st Jun, 2013, 10:03: PM

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