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:
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:
(17)3.5×(17)?=178
88% of 370 + 24% of 210-?= 118. What stands for question mark?
If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to:
The sale price of an article, including the sales tax is Tk. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12% then the cost price of the article is: