mujhe ek science exempler bhi chahiye total 500 coins me dedo

1- CBSE LAST 10 YEARS SOLVED PAPER CLASS 10 ( 400 coins ) 2- English class 10 only First Flight (50 coins) 3- Class 10 Science sample paper (100 coins) 4- All in one by Arihant class 10 English (300 coins) 5- Arihant NCERT SCIENCE EXAMPLER class 10 (100 coins ) Jo book per jitne coins hai usko utne coins me update kardo jaise cbse last 10 yrs wali book ko 400 coins me kardo .