Complete the series choosing the missing letters: 

pqrp__qq__rppp__qqr__r__qrppq__rr

In a party, if each person shakes hands with all the persons present in the party and the total handshakes will be 66 then the total persons in that party will be -

In a certain code, DEAF is written as 3587 and FILE is written as 7465. How is IDEAL written in that  code?

In the following figure, how many educated people are employed? 

Mohini is taller than Nita but not shorter than Sarita. Sarita and Malini are of the same height. Mohini is shorter that Hema. Among them, who is the second tallest?

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

23                32          16

3                 4              5

72              132         ?

Find the next term in the following series.
ZA5, Y4B, XC6, W3D, _____