Which of the following is an open-source SQL query

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row- 9, 21, 124

Select the correct option that indicates the arrangement of the given words in the order in which they appear in an English dictionary.

If in a code language, 'HOME' is written as 'LROF' and 'EYE' is written as 'HAF' and 'SO' is written as 'UP', how will 'HOUSE' be written in that language?

In CABLES is coded as 720 and WEBINAR is coded as 819, then how will MANDOLIN be coded?

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

What should come in place of '?' in the given series?

16   110   ?   5374  37616  263310 1843168

Select the correct water image of the given characters.

If a mirror is place on the line XY, then which of the answer figures is the mirror image of the given figure?

Complete the given series by replacing ‘?’

1276, 638, 638, 322, 319, 164, 159.5, ‘?’