The average of 6 numbers is 42. When two more numbers, each equal to 30, are added to the set, the new average becomes:
Show Worked Solution
Worked Solution
Step 1: Original total = 42 × 6 = 252.
Step 2: Add the two new numbers: total = 252 + 30 + 30 = 312.
Step 3: New count = 6 + 2 = 8.
Step 4: New average = 312 ÷ 8 = 39.
Correct answer: 39
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free