<prompt> All are indications of methotrexate except?LeukemiaBreast cancerRheumatoid ahritisRenal failure  <response>: Ans. is d i.e., Renal failure o MTX, usually in combination with other drugs, is effective against acute lymphocytic leukemia, choriocarcinoma, Burkitts lymphoma in children, breast cancer, and head neck carcinomas. 