Daffodil International University

Faculty of Allied Health Sciences => Nutrition and Food Engineering => Topic started by: jas_fluidm on August 04, 2013, 03:11:35 PM

Title: exercise your brain
Post by: jas_fluidm on August 04, 2013, 03:11:35 PM

A committee of three is chosen from five councilors - Adams, Burke, Cobb, Dilby and Evans.

What is the probability Burke is on the committee?

Title: Re: exercise your brain
Post by: jas_fluidm on August 04, 2013, 03:12:05 PM

ans: 3/5

Title: Re: exercise your brain
Post by: jas_fluidm on August 04, 2013, 03:17:10 PM

Town B is further east than town A, it is 20 miles north of town A and the distance AB in a straight line is 45 miles.
What is the bearing of town B from town A?

Title: Re: exercise your brain
Post by: jas_fluidm on August 04, 2013, 03:20:02 PM

cos(x°) = adjacent/hypotenuse = 20/45 = 0.444...
x° = cos-1(0.444...) = 63.6°