Question 11
In the following question,select the missing number from the given alternatives.
7, 26, ?, 124, 215, 342
Solution
The numbers are of the form $$(n)^3-1$$ where $$n$$ is a natural number.
$$(2)^3-1=7$$
$$(3)^3-1=26$$
$$(4)^3-1=63$$
$$(5)^3-1=124$$
$$(6)^3-1=215$$
$$(7)^3-1=342$$
=> Ans - (A)
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