If 2Sin²3θ -1=0. Then find 2cos6 HomeQuantitative aptitudeIf 2Sin²3θ -1=0. Then find 2cos6quantitative aptitudeIf 2Sin²3θ -1=0. Then find 2cos6 ?(a) -2(b) 4(c) 0(d) 1Sol:
In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?
