An item incurs 20% loss if it sells for Tk. 5,600, find the cost of the item.
ধরি,সংখ্যা টি x
X এর ৮০ %= ৫০৬০
X এর ১%=৫০৬০/৮০
X এর ১০০%=৫০৬০×১০০/৮০
=৫০৬০০০/৮০
=৬৩২৫
If the angles of a triangle are in the ratio of 2 : 3 : 4, then find the greatest angle of the triangle.
If yx=13 and x+ x 2y = 10, then find the value of x.
For the logarithmic equation logx(4x-3) = 2, find the value of x.
Two numbers are in the ratio of 3 : 4. If 10 be subtracted from each of them, then the new ratio will be 1 : 3. Find the numbers.