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Problem solving the following problems
1) n=7.19^3
Col A:the number of distinct positive factors of n
Col B:10
2)At 9:am train T left train station and teo hours later train S left the same station on parallel track.If train T
averaged 60km/hr and train S averaged 75km/hr until S passed T,at what time did S pass T?
a)2pm
b)5pm
c)6pm
d)7pm
e)9pm
3)If the perimeter of a traingle is 18,then the length of one sides cannot be
1
3
6
8
9
4)In a certain country a person is born every 3 seconds and a person dies every 10 seconds,Therefore the birth and
death rates account for a population growth rate of one person every
3(1/3)sec
4(2/7)sec
7sec
11(2/3)sec
13sec
5)If r and s are positive integers,each greater than 1,and
if 11(s-1)=13(r-1),what is the least possible value of r+s?
2
11
22
24
26
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