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Properties of Measures of Central Tendency

The average o...

Question

The average of 6 terms is 40, then find the sum of the terms?

A

120

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B

240

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C

360

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D

480

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Solution

The correct option is B 240
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Q. If the average number of 8 terms is given to be 40 and the average of first 6 terms is given to be 35.What is the average of the remaining 2 terms?

If the sum of first 4 terms of an AP is 40 and that of first 14 terms is 280. Find the sum of its first n terms.

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Find the sum of the first 30 positive integers divisible by 6.

Q. Question 28
If the sum of first 6 terms of an AP is 36 and that of the first 16 terms is 256, then find the sum of first 10 terms.

Q. If the sum of first 4 terms of an AP is 40 and that of first 14 terms is 280 . Find the sum of its n terms

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Properties of Measures of Central Tendency

Standard IX Mathematics

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