From the given alternative words, select the word which cannot be formed using the letters of the given word:
PHOTOSYNTHETIC

Six persons- A, B, C, D, E and F are sitting on a hexagonal table to play a game, but not necessarily in the same order. F is exactly in front of A, who is exactly at the right side of B. D is in the middle of F and B and Exactly in front of C.

Three of the following pairs are similar in a particular way as per the given sitting arrangement and they form their group. Which one is not a member of this group?

How many children are there between P and Q in a row of children?
Statements:
I. P is fifteenth from the left in the row.
II. Q is exactly in the middle and there are ten children towards his right.

Reena is twice as old as Sunita. Three years ago, she was three time as old as Sunita. How old is Reena now?

If 1+4=9, 2+8=18, 3+6=15 then the value of 7+8=?

Complete the following alphabet series.
SQO, USQ, WUS, ?

If Ahmed travels towards North from his house, then to left, then to South covering equal distances in each direction to reach Sohan's house, In which direction is Ahmed's house now? 

The speed of Duranto is more than the speed of Rajdhani. Shatabdi moves faster that GaribRath but slower than Rajdhani. Which one is the slowest?