The average of the 3 numbers is 60. Two numbers are 40 and 50. The third number is?
Maths / Average MCQs Math — Multiple-choice practice
- A. 50
- B. 40
- C. 60
- D. 90
Correct answer
90
Explanation
Explanation Total sum of 3 numbers = 3 × 60 = 180 Sum of given 2 numbers = 40 + 50 = 90 Third number = 180 - 90 = 90
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