The perimeter of a rectangle is 24 inches, and its length is 3 times its width. What are the length and the width of the rectangle?
If the lines AB and CD meet at O point and ∠ BOD = 63° then ∠ BOC =
The sum of squares of two number is 80 and the squre of difference between the two number is 36. Find the product of two number.
A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway?
The sum of 7th terms of the series loga+loga2+loga3 + . . . . . . . . . is
বার্ষিক ১২% মুনাফায় কত বছরে ২০০ টাকার মুনাফা ৯৬ টাকা হবে?