Introducing a girl, Vipin said, “Her mother is the only daughter of my mother-in-law”. How is Vipin related to the girl?

If '$+$' and '$-$' signs are interchanged, and similarly, '$\times$' and '$÷$' are interchanged, then find the answer of the following expression.

$10-2+12\times 1÷0$

A series is given with one letter group missing. Choose the correct alternatives from the given ones that will complete the series.

ELFA, GLHA, ILJA, _____, MLNA

Which one set of letters when sequentially placed at the gap in the given letter series shall complete it?

I___b___ub___ubt___blu___tub.

Select the set of letters from the given alternatives which share the same relationship with the third set as the second set shares with the first.

QDXM : SFYN :: UIOZ : ?

From the alternatives, select the number which is related to the third number as the second number is related to the first number.

$5 : 100 \colon\colon 7 : ?$

From the alternatives, select the word which is related to the third word as the second word is related to the first.

Book : Paper :: Bread : ?