BMSAT KozhikodeArithmetic > Medium242121.6None of these✅ Correct Option: 3Related questions:2026The sum of deviations of 'n' observations about 25 is 25 and sum of deviations of the same 'n' observations about 35 is -15. Then the arithmetic mean of the observations is2026The average marks in Maths exam of students in group A, group B and both the groups together are 80, 90 and 87 respectively. Which of the following cannot be the total number of students in the two groups?