Question

Number of ways of selecting three squares on a chessboard so that all the three be on a diagonal line of the board or parallel to it is

• A. 196
• B. 126
• C. 252
• D. 392

Hint:

Use combinatorial methods to count the number of ways to select objects from a given set.

Answer 1

The Correct Option is C

This problem involves counting the number of ways to select three squares from a diagonal or parallel diagonal of a chessboard. Using combinatorics, the answer is \( 252 \).
Step 2: Conclusion.
The correct answer is (C), 252.