The average of the first five multiples of 3 is-

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The average of the first five multiples of 3 is-

Options:

A . 3

B . 9

C . 12

D . 15

Answer: Option B

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Question 1. The average of X1, X2 and X3 is 14. Twice the sum of X2 and X3 is 30. What is the value of X1?....

Question 2. The average sale of car dealership was 15 cars per week. After a promotional scheme the average sale increased to 21 car....week. The percentage increased in the sale of cars was-

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Question 6. If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation be....c, then the relation between a, b, and c is

Question 7. In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only ....is 27 years. What is the age of the son?

Question 8. Find the average of all the numbers between 6 and 34 which are divisible by 5 -....

Question 9. The average temperature for the first four days of a week is 40.2° C and that of the last four days is 41.3° C. If the....whole 40.6°C, then the temperature on the fourth day is-

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