Pointing to the woman in the picture, Rajiv said, “Her mother has only one grandchild whose mother is my wife.” How is the woman in the picture related to Rajiv?

Choose the correct option from the following options.
AZYB : CXWD ∷ BYWD :?

Which one will replace the question mark?

If in a particular language, PAPER is coded as QZQDS and PENCIL is coded as QDOBJK then how is SCIENCE coded in that language?

In a certain code language, PINK is written as GREEN, GREEN is written as YELLOW, YELLOW is written as RED, RED is written as WHITE and WHITE is written as INDIGO, then in the same code language what is the colour of BLOOD?

What day of the week will be on 31 May 2020?

In the following question find out the missing number?

Find the number of square?