Question : What is the value of 1.65 × 1.65 × 1.65 + 0.35 × 0.35 × 0.35 + 3.465?
Option 1: 8
Option 2: 7.5
Option 3: 4
Option 4: 5.5
Answer (1)
22nd Jan, 2024
Correct Answer: 8
Solution :
1.65 × 1.65 × 1.65 + 0.35 × 0.35 × 0.35 + 3.465
= (1.65)
3
+ (0.35)
3
+ 3 × 1.65 × 0.35 × (1.65 + 0.35)
Using $(a + b)^3 = a^3+b^3 + 3ab (a+b)$
= (1.65 + 0.35)
3
= 2
3
= 8
Hence, the correct answer is 8.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Multi Tasking ...
Application | Cutoff | Selection Process | Preparation Tips | Eligibility | Exam Pattern | Admit Card
Get Updates Brochure
Thank You!
Your Staff Selection Commission Multi Tasking Staff Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Exam Date:
30 Sep, 2024
- 14 Nov, 2024
Application Date:
23 Sep, 2024
- 15 Nov, 2024
Tier II
Exam Date:
18 Nov, 2024
- 18 Nov, 2024
Mains Exam
Exam Date:
30 Nov, 2024
- 30 Nov, 2024
Mains Exam
Exam Date:
14 Dec, 2024
- 14 Dec, 2024
