Question 33
In the following question, select the missing number from the given series.
6578, 4381, 2653, ?, 322
Solution
Cubes of consecutive integers are subtracted in decreasing order.
6578 $$-(13)^3$$ = 4381
4381 $$-(12)^3$$ = 2653
2653 $$-(11)^3$$ = 1322
1322 $$-(10)^3$$ = 322
=> Ans - (A)
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