Assertion (A): Assessment for learning is a type of formative assessment which is utilized by teachers to gain an understanding of the students' knowledge and skills for guided instruction by giving them feedback. Reason (R): It is the formative assessment used primarily to compare students and report progress. Both (A) and (R) are correct, and (R) is the correct explanation of (A). Both (A) and (R) are correct, but (R) O is not the correct explanation of (A). O (A) is correct, but (R) is wrong. O (A) is wrong, and (R) is correct.