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Aptitude · Q444

Number System

Competitive Exams · Aptitude · question 444

Q444

If m = - 4, n = - 2, then the value of m3 - 3m2 + 3m + 3n + 3n2 + n3 is :

A.
- 120
B.
- 124
C.
- 126
Answer
D.
- 128

Answer: Option C

Solution

Answer: Option C
Solution:
m3- 3m2 + 3m + 3n + 3n2 + n3
= - 64 - 48 - 12 - 6 + 12 - 8
= -126