Question

anybody can solve it plese

Answer 1

lets take 1:2:4 as 1x, 2x, and 4x
fine aggregate is 2x = 25 kg
x = 25/2
x = 12.5
cement = 1x= 12.5 kg
coarse aggregate = 4x = 4 * 12.5
                                     = 50 kg

hope it helps :)

Answer 2

12.5 kg: 25 kg : 50kg