Question 39
Select the option that is correct for the bracketed numbers with respect to their inclusion in the given series.
4,11, 30, (67), 128, 219, (346), 515
Solution
Given series 4,11, 30, (67), 128, 219, (346), 515
the above series is going on $$ 1^3 +3, 2^3 +3, 3^3 +3 ....... and so on
then
$$ 1^3+3 , 2^3+3, 3^3 +3, (4^3 +3) , 5^3 +3 , 6^3 + 3,( 7^3+3), 8^3+3 $$
$$ 4, 11 , 30, (67), 128, 219, (346), 515 $$
from the above line
the given Option (A) Both the Bracket numbers are correct Ans
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