Option A
Let the no of each coins be x
coins : 1x, 0.50x, 0.25x
value : 4 * 1x, 5 * 0.50x, 6 * 0.25x
Total : 4 * 1x + 5 * 0.50x + 6 * 0.25x = 32
4x + 2.5x + 1.5x = 32
8x = 32
x = 4.
value : 4*4, 2.5*4, 1.5*4 => 16,10,6
No. of Coins : 16/1, 10/0.5, 6/0.25 => 16, 20, 24