how i can solve mixture problem quickly..

Sir can i get some important questions for quantitative aptitude?

Sir   gud eveng   i have doubt  in sbi  mock  test   -30   in data nterpretation     bar  diagram  how to find the given value   of bardiagram    plsss       help  anybody       and doubt in qss no -75  the given value n paytm its is given   540   in year -1 as   same in qss   no 73   y the value is given PAYU in year 1  350       y it cant be 340    ''''''  plss explain how to read   the values