If A .B and C Working together can do a job in 10 days . if A and C together can do it in 20 days and B and C Together can do it in 15 days IF A and B work together the nuber of days required to complete it is :
The difference between 2/3-1/5+1/7 and 2/3-(1/5+1/7) is :
Which number should come in the place of question mark in the following number series. 9,20,33,48, ?,84,105
Find the odd pair
In the certain code language POWER is written as 61452 and COULD is written as 81379.How will the word COUPLE be written in that code language
The difference between two numbers is 2 and their sum is 10. What is the product of the two numbers