The difference of the squares of two consecutive odd integers is divisible by which of the following integers?
(1000)7-1018 = ?
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.