Study the given pattern carefully and select the number that can replace the question mark (?) in it.

4 7 6

15 ? 21

44 68 60

27      28       37       62      111      ?

89     78     74     67     63    ?

?       190        210        238        274       318

14 26 50 98 194 ?

77 ? 190 257 331 412

13 24 75 134 447 892

92,   51,   21,   13.5,    x,   4.25

find the value of (10x + x -5)?

7       14       42       168        840        ?

Direction: Which of the following will replace ‘?’ in the given question?

2, ‘?’, 46, 136, 311, 605, 1086