dhoran 6 samajik vigyan path 11 swadhyay,std 6 social scince ch.11 bhumisvarupo swadhyay

Find angle x in Fig 6.11

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 ?

Find the remainder when 6^(11) - 6 is divided by 11.

Which fraction among 3/11, 4/9 and 6/11 is the smallest?

11:x=6:24 ,find the value of x

What is the value of sin((11pi)/(6)) ?

Are 6 and 11 coprimes?

The oxidation number of Pr in Pr_(6)O_(11) is