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
