Solved Question
This question was previously asked in:
RRB NTPC CBT 1 Mock Test 4 • CBT 1 Mock Test
If x - 1/x = 7 find the value of x³ - 1/x³.
Answer (Detailed Solution Below)
✓
Option 3 : 372 (Option C)
📌 Key Points & Important Facts:
The correct answer is Option 3: 372.
This question is part of the official syllabus for RRB NTPC CBT 1 Mock Test 4 under RRB NTPC 2027. Practicing questions with authentic patterns and time limits ensures superior accuracy, speed, and confidence during actual government examinations.
Exam PaperRRB NTPC CBT 1 Mock Test 4
SectionCBT 1 Mock Test
Total Marks100 Marks
Negative MarkingTHIRD Marks
Duration90 Mins