In two types of powdered detergent in the ratio of soda and soap dust is 2:19 and 1:11 respectively. If 7 kg of the first type is mixed with 4 kg of the second type find the ratio of soda to soap dust in the new detergent mixture. `1:9` b. `1: 10` c. `9:1` d.`\ 20 :1`

In two types of powdered detergent in the ratio of soda and soap dust is 2:19 and 1:11 respectively.If 7kg of the first type is mixed with 4kg of the second type find the ratio of soda to soap dust in the new detergent mixture.1:9b.1:10c.9:1d.backslash20:1

In two alloys the rations of copper to tin are 3:4 and 1:6 respectively. If 7 kg. of the first alloy and 21 kg. of the second alloy are mixed together to form a new alloy, then the ratio of copper to tin in the new alloy is :

In two alloys the ratio of Iron and copper is 4:3 and 6:1 respectively. If 14 kg of the first alloy and 42 kg of the second alloy are mixed together to form a new alloy, then what will be the ratio of copper to iron in the new alloy:

Two bottles contain acid and water in the ratio 2:3and1:2 respectively .These are mixed in the ratio 1:3 What is the ratio of acid and water in the new mixture ?

Two alloys contain iron and lead in the ratio of 4 : 3 and 1 : 6 respectively. 7 kg of the first alloy, 14 kg of the second alloy and some amount of pure iron are mixed to from a new alloy. The resultant alloy has iron and lead in the ratio of 1 : 1 . Find the weight of the resultant alloy.

Two liquids are mixed in the ratio 4:3 and the mixture is sold at Rs. 20 with a profit is 33 1/3 % . If the first liquid is costiler than the second by Rs. 7. Find the sum of costs of both the liquids