# Q. The probability of solving a problem by three persons A, B and C independently is $\frac{1}{2}$, $\frac{1}{4}$ and $\frac{1}{3}$ respectively. Then the probability of the problem is solved by any two of them is

KCETKCET 2020

Solution:

KCET 2020

KCET 2020

KCET 2020

## 4. The locus represented by $xy + yz = 0$ is

KCET 2018 Three Dimensional Geometry

KCET 2020

KCET 2020

KCET 2020

KCET 2020

KCET 2020

## 10. The number of terms in the expansion of $(x^2 +y^2 )^{25} - (x^2 - y^2)^{25}$ after simplification is

KCET 2019 Binomial Theorem