Identify the odd group of numbers.

D. 12, 14, 16

In the series X, Y, Z, ?, B, C, what character should fill the gap?

A. A

If 'APPLE' is coded as '13524', what is the code for 'LEAP'?

A. 5243

In a certain code, the number 123 represents the word 'SUN'. What does the number 456 represent?

B. STAR

If the word 'CAT' is coded as 3120, what is the code for the word 'DOG'?

A. 4157