11 Views
Question : What is the value of $4^{2}-3^{2}+6^{2}-5^{2}+8^{2}-7^{2}$?
Option 1: 30
Option 2: 33
Option 3: 3
Option 4: 27
Answer (1)
Correct Answer: 33
Solution :
$4^{2}-3^{2}+6^{2}-5^{2}+8^{2}-7^{2}$
$=(4+3)(4-3)+(6+5)(6-5)+(8+7)(8-7)$
$=7+11+15$
$=33$
Hence, the correct answer is 33.
Know More About
Related Questions
TOEFL ® Registrations 2024
Apply
Accepted by more than 11,000 universities in over 150 countries worldwide
Upcoming Exams
Mains
Admit Card Date:
17 Apr, 2025
- 5 May, 2025
Mains Exam
Result Date:
1 Apr, 2025
- 30 Apr, 2025
Application Date:
12 Apr, 2025
- 11 May, 2025
Preliminary Exam
Exam Date:
25 May, 2025
- 25 May, 2025
Application Date:
27 May, 2025
- 25 Jun, 2025