Instructions

What should come in place of the question mark (?) in the following number series ?

Question 148

800, 400, 200, 100, 50, ?

Solution

Share

Let the missing number be y

Here we can see that

$$400\div800$$ = $$\frac{1}{2}$$

$$200\div400$$ = $$\frac{1}{2}$$

$$100\div200$$ = $$\frac{1}{2}$$

$$50\div100$$ = $$\frac{1}{2}$$

As we can see that every time the divison is giving 0.5 and hence

$$y\div50$$ = $$\frac{1}{2}$$

y = 25

Get AI Help

Create a FREE account and get:

  • Banking Quant Shortcuts PDF
  • Free Banking Study Material - (15000 Questions)
  • 135+ Banking previous papers with solutions PDF
  • 100+ 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.