In the pattern 3, 6, 12, 24, what is the next number?

C. 48

Which of the following sequences follows the rule of increasing by three letters in the alphabet?

A. A, D, G, J

If 'BAT' is coded as '2-1-20', what is the code for 'RAT'?

A. 18-1-20

Assertion (A): All squares are rectangles. Reason (R): Rectangles have four sides of equal length.

B. BOTH A AND R ARE TRUE, BUT R IS NOT THE CORRECT EXPLANATION FOR A.

What character should replace the question mark in the sequence: A, B, C, ?, E?

A. D