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34

The sum of the series $\sum_\limits{r=0}^{10}{ }^{20} C_r$ is $2^{19}+\frac{{ }^{20} C_{10}}{2}$.

A
TRUE
B
FALSE
35

The expression $7^9+9^7$ is divisible by 64 .

A
TRUE
B
FALSE
36

The number of terms in the expansion of $\left[\left(2 x+y^3\right)^4\right]^7$ is 8 .

A
TRUE
B
FALSE
37

The sum of coefficients of the two middle terms in the expansion of $(1+x)^{2 n-1}$ is equal to ${ }^{2 n-1} C_n$.

A
TRUE
B
FALSE
38

The last two digits of the numbers $3^{400}$ are 01 .

A
TRUE
B
FALSE