7589-? = 3434
By selling a pen for Tk. 15, a man loses one- sixteenth of what it costs him. The cost price the pen is:
Two-fifth of one-third of three-seventh of a number is 15. What is 40 percent of that number?
If 2A = 3B = 4C, Than, A : B : C is.
A sum of money is to be distributed among A,B,C,D in the proportion of 5 : 2 : 4 : 3. If C gets Tk. 1000 more than D, what is B's share?