Out of three given numbers the first number is twice the second and thrice the third. If the average of the three numbers is 154 what is the difference between the first and the third number?

A. 126
B. 42
C. 168
D. 52
None of these

Submitted by: Areesha Khan

Let the first number be = 6xSecond number = 3xand the third number = 2xAccording to the question 6x + 3x + 2x = 154 × 3or 11x = 154 × 3Required difference = 6x – 2x = 4x = 4 × 42 = 168

The difference between the first and third numbers is 168.

Thus, the correct answer is 168. ✅

Correct Answer: 168 ✔

Last Updated: November 27, 2024