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13. From a text book, two of the consecutive pages were torn away. Later it was found that the average of the page numbers of the remaining pages is . Find the sum of the page numbers of the pages that had been tom away?

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no toh batao !!
11 years agoHelpfull: Yes(5) No(2)

is.......???????
11 years agoHelpfull: Yes(2) No(0)
avg. is 64
11 years agoHelpfull: Yes(0) No(6)

TCS Other Question

A group of men decided to do a job in 8 days. But since 10 men dropped out every day, the job got completed at the end of the 12th day. How many men were there at the beginning? The figure below shows a equilateral triangle divided into 9 equilateral triangles. The figure has 6 upward facing and 3 downward facing size 1 equilateral triangles, 3upward facing and no downward facing triangles and 1 upward facing triangle.