If 45 m of a uniform rod weight 171 kg, then what will

Home » Aptitude » Unitary Method » Question

If 45 m of a uniform rod weight 171 kg, then what will be the weight of 12 m of the same rod ?

Let the required weight be w kg.
Less length, Less weight (Direct proportion)
45 : 12 :: 171 : w
∴ w = (12 x 171)/45 = 45.6 kg