The average of 13 numbers is 68.If average of Ist 7 numbers is 63 and average of last 7 numbers is 70. then 7th number is:

Asked by Kusum and Sanjeet | 9th Jun, 2015, 10:19: PM

Expert Answer:

size 14px S size 14px u size 14px m size 14px space size 14px o size 14px f size 14px space size 14px f size 14px i size 14px r size 14px s size 14px t size 14px space size 14px 7 size 14px space size 14px n size 14px u size 14px m size 14px b size 14px e size 14px r size 14px s size 14px space size 14px equals size 14px space size 14px 63 size 14px space size 14px cross times size 14px 7 size 14px equals size 14px 441 size 14px S size 14px u size 14px m size 14px space size 14px o size 14px f size 14px space size 14px l size 14px a size 14px s size 14px t size 14px space size 14px 7 size 14px space size 14px n size 14px u size 14px m size 14px b size 14px e size 14px r size 14px s size 14px space size 14px equals size 14px space size 14px 70 size 14px space size 14px cross times size 14px 7 size 14px equals size 14px 490 size 14px S size 14px u size 14px m size 14px space size 14px o size 14px f size 14px a size 14px l size 14px l size 14px space size 14px 13 size 14px space size 14px n size 14px u size 14px m size 14px b size 14px e size 14px r size 14px s size 14px space size 14px equals size 14px space size 14px 68 size 14px space size 14px cross times size 14px 13 size 14px equals size 14px 884 size 14px T size 14px h size 14px u size 14px s size 14px comma size 14px space size 14px t size 14px h size 14px e size 14px space size 14px 7 size 14px t size 14px h size 14px space size 14px n size 14px u size 14px m size 14px b size 14px e size 14px r size 14px equals size 14px 441 size 14px plus size 14px 490 size 14px minus size 14px 884 size 14px equals size 14px 47

Answered by Rashmi Khot | 10th Jun, 2015, 09:06: AM