SAT Math Practice Question #26436 - SATify | SATify

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SAT Math Practice Question #26436 - SATify | SATify

#26436

number theory

factorials

Relative Motion

medium

90 sec

Which of the following numbers is a perfect square?

A.

$\frac{29 ! \cdot 30 !}{2}$

B.

$\frac{30 ! \cdot 31 !}{2}$

C.

$\frac{31 ! \cdot 32 !}{2}$

D.

$\frac{32 ! \cdot 33 !}{2}$

E.

$\frac{33 ! \cdot 34 !}{2}$