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  • Question 1
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    The average age of 24 boys and their teacher is 15 years. When the teacher ’s age is excluded, the average age decreases by one year. The age of the teacher is

  • Question 2
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    The average of five positive numbers is 213. The average of the first two numbers is 233.5 and the average of last two numbers is 271. What is the third number?

  • Question 3
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    The average weight of 8 men is increased by 1.5 kg when one of them whose weight is 65 kg is replaced by a new man. The weight of the new man is

  • Question 4
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    The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by one kg. What was the teacher 's weight?

  • Question 5
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    The average height of 16 students in a class is 142 cm. If the height of the teacher is added the average increases by 1 cm. What is the height of the teacher in cm? 

  • Question 6
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    The average weight of 15 girls was recorded as 54 kg. If the weight of the teacher was added, the average increased by two kg. What was the teacher 's weight.

  • Question 7
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    Find the average of first 10 even numbers

  • Question 8
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    Find the average of first 15 odd numbers

  • Question 9
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    What will be the average of even numbers between 11 to 63

  • Question 10
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    The average of 7 consecutive numbers is 20. The largest of these numbers is :

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