Question 215234
actually, i have two 10 paisa coins....
like that  20 paisa coins... (2*10)
you have = x
(4/5)*20 =  (8/9)*x
lets  4/5*20=16....(  4*1/5*20=16  )
16 = 8/9 * x
x = 16 * (9/8)
x = 2 * 9 
x = 18.