Which number would replace the question mark in the series $2, 7, 14, 23, ?, 47$?

Fill in the blank space for the given series with the correct alternative.
$0.5, 1.5, 4.5, 13.5, (\ldots)$ (in $.5$)

Following questions are based on the five three-digit numbers given.
$513, 248, 371, 634, 167$
If the positions of the first and the second digits in each of these numbers are interchanged,which of the following will be the lowest number among them?

Study of the following arrangement carefully and answer the questions given below.

$Q,E ,* ,P,M ,8 ,R,A ,@ ,C ,9 ,U,H,W, \# ,J,Z, ,S, \beta, Y,N ,5 ,\$ ,G,I,T$

Which of the following is eighth to the right of the thirteenth element from the left end of the arrangement?

Fill in the blank space for the given series with the correct alternative.
$134, 245, 356, 467, (...)$

Which term comes next in the series $YEB, WFD, UHG, SKI?$?