List of top Mathematics Questions on Combinations asked in KCET

The value of 49C3 + 48C3 + 47C3 + 46C3 + 45C3 + 45C4 is:

The value of $\,^{16}C_9 + \,^{16}C_{10} -\,^{16}C_6 -\,^{16}C_7$ is
The value of
16C9 + 16C10- 16C6 - 16C7 is
The value of $^{10}C_1+^{10}C_2+^{10}C_3+....+^{10}C_9 $ is
The value of $ ^{49}C_3 ^{48}C_3 ^{47}C_3 ^{46}C_3 ^{45}C_3 ^{45}C_4 $ is