Cracku Anniversary Mega Sale is Here!

Check Now
Question 21

If $$\frac{x + a}{x + b} = \frac{x + 3a}{x + a + b}$$, find the value of '$$x$$'

Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free

Book Free CAT Mentorship

Get personalized CAT strategy from a 99%iler

500+ students mentored
CAT mentor

Join CAT 2026 course by 5-Time CAT 100%iler

Crack CAT 2026 & Other Exams with Cracku!

Ask AI