[" In what ratio must water be mixed "],[" with milk to gain "20%" by selling the "],[" mixture at cost price? "]

In what ratio must water be mixed with milk to gain 16 (2)/(3) % on selling the mixture at cost price ?

In what ratio water be mixed with milk so as to gain 20% by selling at c.p.?

In what ratio must water be mixed with milk to gain 16 2/3% on selling the mixture at cost price? 1 :6 (b) 6 :1 (c) 2 :3 (d) 4 :3

In what proportion must water be added to spirit to gain 20% by selling it at the cost price?

In what proportion water be mixed with spirit to gain 12.5% by selling it at cost price?

In what proportion water be mixed with spirit to gain 12.5% by selling it at cost price?

In what ratio should milk and water be mixed so that after selling the mixture at the cost price a profit of 16 (2/3) % is made?