Machine A produces 100 parts twice as fast as machine B does. Machine B produces 100 parts in 40 minutes. If each machine produces parts at a constant rate, how many parts does machine A produce in 6 minutes?
সঠিক উত্তর: Option A
As, A takes half of time than B B does a work in 40 minitues so A does the work
A in 20 minutes makes 100 parts A in 1 minutes makes =100/20 parts A in 6 minutes makes =100x60/20 parts=30 parts