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Aptitude · Q121

Number System

Competitive Exams · Aptitude · question 121

Q121

5(x + 3) = 25(3x - 4), then find the value of x

A.
Answer
B.
C.
D.

Answer: Option A

Solution

Answer: Option A
Solution:
5(x + 3) = 25(3x - 4)
Or, 5(x + 3) = 52 × (3x - 4)
Now, comparing the powers,
(x + 3) = 2 × (3x - 4)
Or, x + 3 = 6x - 8
Or, 6x - x = 8 + 3
Or, 5x = 11
Hence, x =