Instructions

What value should come in the place of question mark (?) in the following questions?

Question 82

$$(16)^{2}+(21)^{2}-(13)^{2}+?=(25)^{2}$$

Solution

Share

First we calculate $$ 21^2 - 13^2 $$ through (a-b)(a+b) hence, it will be $$34 \times 8 = 272$$

Now answer will be = 625 - (272+256)

Need 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.