Average - Comprehensive Mock Test 2

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Question 11 Hard

Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of the eight given numbers is?

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Question 12 Hard

The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average one number, namely 36, was wrongly read as 26. The correct average is?

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Question 13 Medium

The average of seven consecutive positive integers is 26. The smallest of these integers is?

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Question 14 Hard

The average mark secured by 36 students was 52. But it was discovered that an item 64 was misread as 46. What is the correct mean of marks?

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Question 15 Hard

The ratio of ducks and frogs in a pond is 37: 39 respectively. The average number of ducks and frogs in the pond is 152. What is the number of frogs in the pond?

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Question 16 Medium

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

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Question 17 Medium

The average of 5 consecutive even numbers A, B, C, D and E is 106. What is the product of B and D ?

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Question 18 Medium

The average age of a man and his son is 40 yr. The ratio of their ages is 7:3 respectively. What is the man’s age ?

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