A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is:
Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new numbers are in the ratio 12: 23. the smallernumber is:
Reena and Shaloo are partners in a business, Reena invest Tk. 35,000 for 8 months and Shallo invest Tk. 42,000 for 10 months. Out of a profit of Tk. 31,570, Reena's share is:
If 50% of (x - y) = 30% of (x + y), then what percent of x is y?
0.01 is what percent of 0.1 ?
If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to: