"50 kg of an alloy of lead and tin contains 60% lead. How much lead must be melted into it to

Doubtnut
Doubtnut
5.2 هزار بار بازدید - 4 سال پیش - "50 kg of an alloy
"50 kg of an alloy of

 lead and tin contains 60% lead. How much lead must be melted into it to make

 an alloy containing 70% lead?"
4 سال پیش در تاریخ 1399/04/15 منتشر شده است.
5,268 بـار بازدید شده
... بیشتر