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The room numbers in a hotel are numbered from 101 to 550, inclusive.
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29 Oct 2024, 23:48
29 Oct 2024, 23:48
Expert Reply
00:00
Question Stats:
80% (02:41) correct
20% (01:39) wrong based on 5 sessions
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The room numbers in a hotel are numbered from 101 to 550, inclusive. How many of these room numbers start with 1, 2, or 3 and end with 4, 5, or 6?
A. 60
B. 90
C. 100
D. 150
E. 160
A. 60
B. 90
C. 100
D. 150
E. 160
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Re: The room numbers in a hotel are numbered from 101 to 550, inclusive.
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30 Oct 2024, 04:17
30 Oct 2024, 04:17
Carcass, what is the solution to this question?
Re: The room numbers in a hotel are numbered from 101 to 550, inclusive.
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30 Oct 2024, 05:00
30 Oct 2024, 05:00
Expert Reply
3 options for the hundreds place . 1.2.3
3 as well for the unit's place . 4.5.6
10 for the tens place. 0 to nine
3*10*3=90
3 as well for the unit's place . 4.5.6
10 for the tens place. 0 to nine
3*10*3=90
