A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

PON, LKJ, GFE, ?

Which of the following interchanges in signs will make the given equation correct?

17- 15 x 5 = 250

Direction : Study the following information carefully and answer the given questions.
Eight persons viz : Daniel, Ibrahim, Fana, George, Hiccup, Ishan, Jack and Kelvin live in on different floors of eight floor building but not necessarily in the same order. The lowermost floor of the building is numbered 1, first floor of the building is numbered 2 and the topmost floor of the building is numbered 8. They are specialized in the different subjects in the state university viz Biotechnology, Physics, Biology, Computer Science, Mathematics, Humanities, History, and Geography but not necessarily in the same order.
The one who lives on fourth floor is specialized in Mathmatics. Daniel lives on odd numbered floor but above 3rd floor. The number of person between Daniel and Humanities specialized per- son is same as number of person between denial and Ishan. The one who is specialized in Physics lives on lower most floor. Kelvin lives on an even numbered floor and he is specialized in History. There are two floors between Ibrahim and Hic- cup and Ibrahim lives above to Hiccup. Ibrahim is specialized in Computer Science. Jack lives just above the one who is specialized in Computer Science. Two floors between the one who is specialized in Computer Science and Mathematics. The one who is specialized in Geography lives on odd numbered floor. Four floors between the one who is specialized in Biotechnology and Jack. The one who is specialized in Computer Science lives on odd numbered floor. The number of floors between the one who is specialized in Geography and the floor on which Fana lives is same as the number of floors between Fana and George. Ishan lives below the floor on which Daniel lives. 

Four of the following five are alike in a certain way and hence they form a group. Which one of the following does not belong to that group? 

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
 8 : 32 :: 12 : 72 :: 18 : ? 

In the following question, select the odd number pair from the given alternatives.

Which letter-cluster will replace the question mark (?) to complete the given series?

LMR, PUA, TCJ, XKS, ?

Question Figure

Direction: In the question figures below, a piece of paper is folded and cut as shown below. Find out from the answer figures how it will appear when opened.
Question figure