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Averages Practice Test - 1 - Question 1

If a – b : b – c : c – d = 1 : 2 : 3, then what is the ratio of (a + d) : c?

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Averages Practice Test - 1 - Question 2

The average of a batsman after 25 innings was 56 runs per innings. If after the 26th inning his average increased by 2 runs, then what was his score in the 26th inning?

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Averages Practice Test - 1 - Question 3

The average marks of a group of 20 students on a test is reduced by 4 when the topper who scored 90 marks is replaced by a new student. How many marks did the new student have?

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Averages Practice Test - 1 - Question 5

**The average weight of 3 boys ****Ross****, ****Joey ****and ****Chandler ****is 74 kg. Another boy ****David ****joins the group and the average now becomes 70 kg. If another boy ****Eric****, whose weight is 3 kg more than that of ****David****, replaces ****Ross ****then the average weight of ****Joey****, ****Chandler****, ****David ****and ****Eric ****becomes 75 kg. The weight of ****Ross ****is**

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Averages Practice Test - 1 - Question 6

The mean temperature of Monday to Wednesday was 35 °C and of Tuesday to Thursday was 30 °C. If the temperature on Thursday was 1⁄2 that of Monday, the temperature on Thursday was

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Averages Practice Test - 1 - Question 7

The average age of a family of 5 members is 20 years. If the age of the youngest member is 5 years, what was the average age of the family at the birth of the youngest member?

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Averages Practice Test - 1 - Question 8

The average of 15 numbers is 18. If each number is multiplied by 9, then the average of the new set of numbers is

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Averages Practice Test - 1 - Question 9

The average weight of 10 men is decreased by 2 kg when one of them weighing 140 kg is replaced by another person. Find the weight of the new person.

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Averages Practice Test - 1 - Question 10

The average age of a group of men is increased by 6 years when a person aged 26 years is replaced by a new person of aged 56 years. How many men are there in the group?

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