we have 7 weights one of 2 kg one of 3 kg one of 5 kg one of 1 kg one of 10 kg one of 15 kg one of 20 kg by using only five weight how many weight u can weight
Select.
A) 19	B) 18	C) 24	D) 21	E) 32
select 5 weight out of 7, 7C5=21   ANSWER:21
<result>D</result>
we have 7 weights one of 2 kg one of 3 kg one of 5 kg one of 1 kg one of 10 kg one of 15 kg one of 20 kg by using only five weight how many weight u can weight