World population day is an annual event observed on July 11 every year which seeks to raise awareness of global population issue.
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11th July is celebrated as:
The arithmetic mean of 11 observations is 11. The arithmetic mean of the first 6 observations is 10.5 and the arithmetic mean of the last 6 observations is 11.5. What is the sixth observation ?
Akshay remembers his anniversary is after 7th July but before 13th July. His wife remembers their anniversary is after 1st July but before 9th July. On which day of July is their anniversary?
The average of 11 observations is 60. If the average of first five observations is 58 and that of the last five is 56, then the sixth observation is
Burman remembers that the cricket match is after 19th July but before 22nd July, while Sumit remembers that the cricket match is before 25th July but after 20th July. On which date of July is the cricket match?
