Here are some brain teasers which will test your abilities. 

Insert the word that completes the first word and begins the second.
    For example: SP (. . .) OW 
    Answer        : SP (END) OW ie SPEND and ENDOW

   Now go again and rack you BRAIN !

    PRACT (ICE) BERG
     AM (BUSH) EL
     WEAT (HER) MIT
     UR (BAN) GLE
     PYRA (MID) GET

Insert the missing number.      8   12   24  60   ? (168)      82   97   114   133   ?(154)      6   9   ?(15)   24   36

Insert the missing letter.      B   F   K   Q   ? (X)      S    P    L    G   ?(A)      R   T   P   R   N   P   ?(L)

Explanations to the answers of "Insert the missing number"
168 (Multiply each number by 3 and take away 12)
154 (Add numbers 15, 17, 19, 21 respectively) 
15 (Add3, then 6, then 9, and finally 12)

Explanations to the answers of "Insert the missing letter"
X (The letters go up by 4, 5, 6, 7 steps)
A (The letters go back by 2, 3, 4, 5)
L (Move 2 forward and 4 back alternately)

 

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