The pie chart above the distribution of the crops harvested from a farmland in al year. If 3000 tonnes of millet is harvested, what amount of beans is harvested?

The unbiased die is rolled 100 times and the outcome is tabulated as follows

Find the mean deviation of 1, 2, 3 and 4

Some white balls were put in a basket containing twelve red balls and sixteen black balls. If the probability of picking a white ball from the basket is $\tfrac{3}{7}$, how many white balls were introduced.

Find the derivative o the function $y=2{{x}^{2}}(2x-1)$ at the point x = –1

What is the rate of change of the volume V of a hemisphere with respect to its radius when r =2

Find the derivative of $(2+3x)(1-x)$with respect to x

If $y=3\cos (\tfrac{x}{3})$find $\frac{dy}{dx}$when $x=\tfrac{3\pi }{2}$

The locus of a point which is 5 cm from the LM  is a