Question Figure

In each of the following questions, four numbers are given out of which three are like in some manner while one is different. Choose the one which is different from the rest three?

Figure A is related to B following a certain pattern. Following the same pattern, figure C is related to D. Study the pattern and select the figure which should be placed in place of D

Select the related word / letters / number from the given alternatives.

By interchanging the given two signs and numbers which of the following equation will be not correct?
 ÷ and ×, 1 and 3

Direction : Study the following information carefully and answer the questions given below:
Six persons are sitting in a row facing to the north and they have different ages but not necessarily in the same order. C sits 3rd from one of the end. The one who is 12 year old sits 2nd to the right of C.
The number of persons sit right of the one who 12 year old is same as the number of persons sit to the left of D. O sits 2nd to the right of the one who is 6 year old. Two persons sit between D and B, whose age is twice than D. N sits to the right of P. The one who 36 year old sits 3rd to the left of the one who 15 year old. The age of O is 18 year.

Who among the following sits at the extreme end of the row?

Select the combination of letters that when  sequentially placed in the gaps of the given letter series will complete the series .
gfe_ig_eii_fei_gf_ii

Find the missing number?