Assertion (A): All mammals are warm-blooded. Reason (R): Some mammals can survive in extreme cold environments. What is the relationship between A and R?

B. A IS TRUE, R IS TRUE, BUT R IS NOT THE CORRECT EXPLANATION OF A.

Assertion (A): Reading improves vocabulary. Reason (R): People who read regularly tend to have larger vocabularies. What is the relationship between A and R?

A. A IS TRUE, R IS TRUE, AND R IS THE CORRECT EXPLANATION OF A.

In a code language, 'FISH' is represented as '7890'. What is the code for 'BIRD'?

C. 2341

Assertion (A): Logic puzzles enhance critical thinking skills. Reason (R): Solving puzzles requires analytical reasoning. What is the relationship between A and R?

A. A IS TRUE, R IS TRUE, AND R IS THE CORRECT EXPLANATION OF A.

Find the missing letter in the series: z, x, v, t, ?

A. R