Test Index

SSC CPO SI and ASI Model Paper 8

Directions (Q. 1–5): What will come in place of ‘?’ in the given series?

Question : 1 of 200

Marks: +1, -0

1 2 33 290 2373 ?

Solution:

Concept:

The series uses consecutive odd numbers multiplied and cubed, then added.

Explanation:

(1 \times 1)+1^3=1+1=2

(2 \times 3)+3^3=6+27=33

(33 \times 5)+5^3=165+125=290

(290 \times 7)+7^3=2030+343=2373

Next odd number is

9

(2373 \times 9)+9^3=21357+729=22086

Answer:

The required term is

22086

, so option A is correct.

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