A trader sells rice at a profit of 20% and uses weights which are 10% less than the correct weight. The total gain earned by him is:

• 33 1/3%

• 22 2/9%

• 30%

• 30%

The average weight of three men ‘X’, ‘Y’ and ‘Z’ is 75 kgs. Another man ‘A’ joins the group and the average weight now becomes 80 kgs. If another person ‘B’ whose weight is 5 kgs more than ‘A’ replaces ‘X’, then the average weight of ‘Y’, ‘Z’, ‘A’ and B’ will be 85 kgs. What is the weight of ‘X’?  

• 80 kgs.

• 84 kgs.

• 82 kgs.

• 82 kgs.

‘A’ and ‘B’ complete a work in 12 days, ‘B’ and ‘C’ in 8 days and ‘C’ and ‘A’ in 16 days. ‘A’ left after working for 3 days. In how many days more will ‘B’ and ‘C’ finish the remaining work?

• 6

• 3 ¾

• 7 ¾

• 7 ¾

A vessel contains a mixture of milk and water in the ratio of 5:3 respectively. How much of the mixture must be siphoned off and replaced with water, so that the mixture may be half milk and half water?

• 1/3

• 1/4

• 1/7

• 1/7

A can do a piece of work in 8 days and B alone can do the same work in 10 days. A and B agreed to do the work together for Rs. 720. With the help of C, they finished the work in 4 days. How much C is to be paid?

• Rs. 80

• Rs. 82

• Rs. 72

• Rs. 72

A trader sells rice at a profit of 20% and uses weights which are 10% less than the correct weight. The total gain earned by him is:

• 33 1/3%

• 22 2/9%

• 30%

• 30%

The average weight of three men ‘X’, ‘Y’ and ‘Z’ is 75 kgs. Another man ‘A’ joins the group and the average weight now becomes 80 kgs. If another person ‘B’ whose weight is 5 kgs more than ‘A’ replaces ‘X’, then the average weight of ‘Y’, ‘Z’, ‘A’ and ‘B’ will be 85 kgs. What is the weight of ‘X’?

• 80 kgs.

• 84 kgs

• 82 kgs.

• 82 kgs.

‘A’ and ‘B’ complete a work in 12 days, ‘B’ and ‘C’ in 8 days and ‘C’ and ‘A’ in 16 days. ‘A’ left after working for 3 days. In how many days more will ‘B’ and ‘C’ finish the remaining work?

• 6

• 3 ¾

• 7 ¾

• 7 ¾

79.

A vessel contains a mixture of milk and water in the ratio of 5:3 respectively. How much of the mixture must be siphoned off and replaced with water, so that the mixture may be half milk and half water?

• 1/3

• 1/4

• 1/7

• 1/7

A can do a piece of work in 8 days and B alone can do the same work in 10 days. A and B agreed to do the work together for Rs. 720. With the help of C, they finished the work in 4 days. How much C is to be paid?

• Rs. 80

• Rs. 82

• Rs. 72

• Rs. 72