The line graph shows the time spent by people visiting the
1 answer:
Answer:
Option (B)
Step-by-step explanation:
Average waiting time in the month of October = 20 minutes
Average waiting time in the month of November = 30 minutes
Average waiting time in the month of December = 60 minutes
Average waiting time in the month of January = 40 minutes
Average waiting time in the month of February = 10 minutes
Average waiting time in the month of March = 10 minutes
Average waiting time in the month of April = 30 minutes
Average waiting time in the month of May = 40 minutes
Average waiting time in the month of June = 20 minutes
Total waiting period from October to June = 20 + 30 + 60 + 40 + 10 + 10 + 30 + 40 + 20 = 260
Average waiting period =
= 28.89
≈ 29 minutes
Option (B) is the answer.
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Consider the given statement:
We have to identify the property used in this statement.
1. Associative Property of Addition: Let a,b and c be three real numbers. This property states that . This property is not used in the given statement.
2. Commutative property of multiplication: Let 'a' and 'b' be two real numbers. This property states that .
In the given statement,
This statement holds commutative property of multiplication as whether 2 is multiplied to or
is multiplied to 2, the result is same.
So, Commutative property of multiplication is illustrated in this statement.
3. Inverse property of multiplication: A number 'a' is said to have an inverse '' if
. This property is not used in the given statement.
4. Commutative property of addition: Let 'a' and 'b' be two real numbers. This property states that . This property is not used in the given statement.