Number Series Puzzles - 12

1.  What number should replace the question mark ?

     10,14,22,38,70,?

A:-  134

       10
       10+4 = 14
       14+8 = 22
       22+16 = 38
       38+32 = 70
       70+64 = 134.

2.  Look at this series : 201,202,204,207,..... What number should come next ?

A:- 211

     201
     201+1 = 202
     202+2 = 204
     204+3 = 207
     207+4 = 211.

3.  What number should replace the question mark ?

    10,11,13,16,20,25,?

A:-  31

      10
      10+1 = 11
      11+2 = 13
      13+3 = 16
      16+4 = 20
      20+5 = 25
      25+6 = 31.