Which of these companies own the search engine

A series is given with one term wrong. Select that wrong term from the given alternatives.

82, 164, 492, 2450, 17220

Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

Select the triad which following the same pattern as that followed by the two triads given below. Both triads follow the same pattern.

Pointing to a girl, a lady said, "She is my mother's husband's second son's wife's daughter." How is the girl related to the lady? 

Select the option figure which is embedded in the given figure as its part (rotation is NOT allowed).

Select the number from among the given options that can replace the question mark (?) in the following series.

3, 17, 73, 297, ? , 4777

Four of the following five are equal in a certain way and form a group.

Which one is not related to that group?

MQ, BF, JN, UX, CG

If the two signs, '× and ÷' are interchanged, which of the following equations will be correct?

Select the set in which the numbers are related in the same way as are the numbers of the following set.