Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Instructions
What will come in place of the question mark (?) in the following questions ?
Solution
Let the number to replace the question mark be equal to $$X$$
So, $$\sqrt{X}+19^{2}=21^{2}$$
Therefore $$\sqrt{X} = (21-19) \times (21 +19) = 2 \times 40 = 80$$
Hence, $$X = 80^2 = 6400$$
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
