Study the given bar graph and answer the question that follows.
The production of cement (in lakh tonnes) by a company during the last six years is presented by the bar graph.
What is the average cement production (in lakh tonnes) during the given six years?
Three people A, B and C worked together and finished a work in 9 days. If A alone can finish the same work in 18 days, B alone in 30 days, then the number of days C alone will take is:
Section : General Awareness
In 1851, who founded the science of hydrodynamics with his law of viscosity describing the velocity of a small sphere through a viscous fluid?