ashi

you need 4 eggs , there are 12 eggs in the refrigerator but do not realise that 2 of these are rotten . what is the probability that none is rotten of the 4 eggs you choose at random ?

Out of 150eggs ,30 eggs are found damaged. The ratio of good eggs to damaged eggs is

a rod 200cm long is pivoted at the 80cm from the one end 3kg body is attched at the one end 80cm away from the pivoted point how far from the other end 5kg body be attched to the rod

a meter rod is pivoted at the center 5kg body is attched 10cm from the one end 30cm from the pivot at the other side how much mass be connected to keep the meter in equilibrium