If CONTRIBUTE is written as ETBUIRNTOC, which letter will be in the sixth place whencounted from the left if POPULARISE is writtenijn that code ?

Answer: A. L

The letters of the word are written in a reverseorder and then the letters of the second and fourth pairs from the end of the word so formed are reversed in order, to obtain the code.
Thus, the code for POPULARISE is ESRIALPUOP.