Question 79

$$a : b = 3 : 5 :: ab = 2535 \Rightarrow a + b =$$

Solution

Share

a = 3k

b = 5k

$$15k^2 = 2535$$

$$k^2  = 169$$

$$k = 13$$

sum $$\Rightarrow 8k = 104$$

Hence the answer is option A

Get AI Help

View More Questions From Average, Ratio, and Proportions

Create a FREE account and get:

  • Download Maths Shortcuts PDF
  • Get 300+ previous papers with solutions PDF
  • 500+ Online Tests for Free

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

Crack CAT 2026 & Other Exams with Cracku!

Enroll Now
Ask AI

Ask our AI anything

AI can make mistakes. Please verify important information.