McqkartGet appPractise

Of three numbers, the second is twice the first and is also thrice the third. If the average of the three numbers is 44, what is the largest number?

A24
B36
C72 ✓ Correct
D96
Correct answer: (C) 72
Explanation

The largest number is 72.

Let the second number be b; the first is b/2 and the third is b/3.

The sum = 3 x 44 = 132, so b/2 + b + b/3 = 132.

b(11/6) = 132 gives b = 72.

The first is 36 and third is 24, so the largest is 72.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.

Practise on Mcqkart →🎓 Book an expert →