Saved Bookmarks
| 1. |
a solution contain 15% of salt from which 30kg of water is removed. the quantity of salt remains 20%in that solution . find the initial quantity of solution |
|
Answer» Answer: LET, QUANTITY of ORIGINAL solution = 100X Then quantity of salt = 15x When 30kg of water is evaporated then TOTAL quantity= 100x -30 But quantity of salt will remain same and now quantity of salt is 20% of original quantity (100x -30)*1/5 = 15x X = 120 kg |
|