The number of rational terms in the expansion of (33/4 + 53/2)60?
The correct answer : 16
The mean of coefficients of x, x2, ....., x7 in the binomial expansion of (2 + x)9 is?
In the given figure, the blocks $A$, $B$ and $C$ weigh $4\,\text{kg}$, $6\,\text{kg}$ and $8\,\text{kg}$ respectively. The coefficient of sliding friction between any two surfaces is $0.5$. The force $\vec{F}$ required to slide the block $C$ with constant speed is ___ N.
(Given: $g = 10\,\text{m s}^{-2}$) 
Method used for separation of mixture of products (B and C) obtained in the following reaction is: 
The binomial theorem formula is used in the expansion of any power of a binomial in the form of a series. The binomial theorem formula is
