Vikas score 42 marks in an exam and failed by 2% and Sumit scores 36% and passed by 9 marks in same exam

Vikas score 42 marks in an exam and failed by 2% and Sumit scores 36% and passed by 9 marks in same exam. How much marks they together required to reach 80% in same exam.

(a) 144

(b) 160

(c) 150

(d) 120

Sol:

ATQ,

42 + 2% = 36% – 9

51 = 34%

1%=3/2

100% = 150

80% = 120

Vikas → 120 – 42 = 78

Together → 144