Detailed Instructions: In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Q: Problem: i remember during the school days , the teacher asked the class ' ' can you tell me the sum of the first 50 odd numbers ? ' ' . i ran quickly to the teacher and told her ' ' the answer is 2500 ' ' . the teacher replied ' ' lucky guess ' ' . she then asked me ' ' can you tell me the sum of first 75 odd numbers ? ' ' . i wait for approx 10 seconds and replied with the correct answer . how can i answer so quickly and whats the correct answer ?
Options: a ) 5624 , b ) 5625 , c ) 5626 , d ) 5627 , e ) none
A:
b