Common childhood tumors are – a) Acute lymphoblastic leukemiab) Chronic lymphoblastic leukemiac) Chronic myeloid leukemiad) Brain tumore) Wilm's tumor: (A) ade, (B) bde, (C) abd, (D) ad
Answer is A. Childhood malignancies are : -

Leukaemia (AML, ALL)                                                                  
Brain tumors                                                                               
Soft tissue sarcoma → Rhabdomyosarcoma   
Lymphoma
Bone tumor  
Neuroblastoma  
Retinoblastoma 
Wilm's tumor