b.Eighteen years ago, a father was three times as old as his son. Now, the father is only twice as old as his son. then, the sum of the present ages of the son and the father 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: