Use euclid's divisionlemma show that the cube of any positive integer is of the form 9m,9m+1
How is ABCD a cyclic quadrilateral in Question 2 of exercise 10.5 of class 9 . It is not given
if rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 at the same rate