Solved Question
This question was previously asked in:
RRB NTPC CBT 1 Mock Test 4 • CBT 1 Mock Test
One tap can fill a tank in 4 hours and another can empty it in 6 hours. If both taps are opened together in how much time will the tank be filled?
Answer (Detailed Solution Below)
✓
Option 1 : 12 hours (Option A)
📌 Key Points & Important Facts:
The correct answer is Option 1: 12 hours.
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