Which of the following coenzymes is a derivative of pantothenic acid (Vitamin $B$ complex)?

The centroid of the triangle formed by the pair of straight lines $12x^2 - 20xy + 7y^2 = 0$ and the line $2x - 3y + 4 = 0$ is:

Which of the following substances is known as $Oil$ $of$ $Wintergreen$?

What is the output $Y$ in the following circuit,when all the three inputs $A, B, C$ are first $0$ then $1$?

If the number average molecular weight and weight average molecular weight of a polymer are $40000$ and $60000$ respectively,the polydispersity index of the polymer will be

If $a, b, c$ are unit vectors and the maximum value of $|a-b|^2+|b-c|^2+|c-a|^2$ is $k$,then $k(2|a|^2+3|b|^2-4|c|^2)=$