IBPS CLERK VI ....CRACK IT ANYHOW

Cracking IBPS CLERK VI

On subtracting 4 from a number ‘A’, we get 30% of number ‘B’. On adding 10 to the number ‘A’ we get 50% of ‘B’. Find the value of ‘A’

Hey guys plz share how you ppl are preparing for upcoming ibps clerk any special tips