when squared value of a number is subtracted from 5 times of a number the result is 6.what is the number?

a complets a job in 6 days,c in 20 days and d in 24 days if taka 8670 is to be devided among them, then b will...

karim has brought some pens for 120 taka.if each pencoast him 2 taka less then he could buy 2 more pens.how ma...

if x+y=7 and x^2+y^2 =25 then which of the following equals the value of x^3+y^3 ?

the selling price of 15 items equals the coast of 20 items.what is the percentage profit earnd by the seller?

The average of the first and the second of three numbers is 15 more than the average of the second and the thi...

30 pens and 75 pencils altogether were purchased for Tk.510. If the average price of a pencil was Tk.2, what w...