In what ratio coffee at 320 Rs/kg should be mixed with the coffee at 370 Rs/kg so that after mixture its rate become 335 Rs/kg if the quantity of 1st type is 28 kg what will be the quantity of the 2nd coffee?
Ratio = 35:15 = 7:3 1st type coffee is 28 kg. So, 7 means 28 kg. Therefore, 2nd type coffee = 28 x (3/7) = 12 kg
The average age of Anuj, Saroj and Tanuj is 36 years. The average age of Anuj and Saroj is 30 years, while the average age of Tanuj and Anuj is 36 years...
The average run rate of a cricket team during the first 20 over’s is 4.5. What should be the asking rate per over for the next 30 over’s. if it has...
The average salary of all males and females in an office is Rs.16000 and the total number of females in the office is 16. If the average salaries of mal...
There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 76. Find the 12th number, if the ratio betwee...
The average cost of two chairs is Rs.10000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 3rd
The average number of books on Biology, Chemistry, and Physics in a book shop is 300. Biology books are 150 more than the average number of Chemistry an...
The average score obtained by 26 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
Average weight of 5 students in a class increases by 4 kg when weight of teacher is also included. If sum of average weight of 5 students and weight of ...
A well with 42 m inside diameter is dug 14 m deep. Soil taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. F...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
