Easy and simplest way to find ratio using lcm #ssc #chsl #cgl #upsc #shorts

Find the mean and standard deviation using short cut method

Find the mean and standard deviation using short-cut method.

Find the mean,variance and standard deviation using short-cut method

Find the mean, variance and standard deviation using short-cut method.

The find resistance of galvanometer by Kelvin's method using metre bridge, the null point is observed in such a way that

A rectangular paper of 22 cm xx 12 cm is folded in two different ways and formed two cylinders . (i) Find the ratio of the volumes of two cylinders (ii) Find the difference of the volumes of two cylinders.

A rectangular paper of 22cm xx 12cm is folded in two different ways and formed two cylinders. (i) Find the ratio of the volumes of two cylinders. (ii) Find the difference of the volumes of two cylinders.