The average of numbers is . What is their sum?

Answer and explanation

Correct answer: A. 124

  1. Step 1: Recall the mathematical relationship between the average, count, and sum of a dataset: .
  2. Step 2: Rearrange the definition to express the total sum: .
  3. Step 3: Substitute and : .
Answer
124.
Why not the others: The alternative numerical choices (35, 120, 155) stem from misinterpreting algebraic constraints, applying wrong arithmetic operations, or calculation slips.

Practise more Averages and ratios.

Free questions with an explanation for every one, and full timed CUET UG mock tests.

All Averages and ratios questionsTake a mock test

More Averages and ratios questions