There are 49 members in group A, 35 members in group B, and 31 members in group C. All the members of these groups went to a restaurant. The average amount spent on each member of group A, B, and C is ₹106, ₹141, and ₹226, respectively. The total average amount (in ₹) spent per member is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 149.
Total spent by A = 49 × 106 = 5194
Total spent by B = 35 × 141 = 4935
Total spent by C = 31 × 226 = 7006
Total = 5194 + 4935 + 7006 = 17135
Total members = 49 + 35 + 31 = 115
Average = = 149