RRB RPF RPSF SI and CONS Model Papers 7 with solutions

Question : 18 of 120

Marks: +1, -0

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 1, 6, 6, 11, 11, 16, ? , ?

13, 11
16, 21
17, 21
21, 16

Validate

Solution:

(2)

1,

1{––––––––▶}↖{+5}6,

6{––––––––▶}↖{+5}11

11{––––––––▶}↖{+5}16

(16){––––––––▶}↖{+5}(21)

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