Instructions
A sequence of numbers or alphabets following a specific pattern is given. Fill in the blanks with suitable entry from the options that follows the same pattern.
Solution
$$2^4-2=14.$$
$$3^4-3=78.$$
$$4^4-4=252.$$
$$5^4-5=620.$$
$$6^4-6=1290.$$
So, A is correct choice.
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