defence exam Agniveer Army Tradesman Mock Test Series 2025 Quantitative Aptitude Number System Quick Math
A monkey climbs a 12 meters high slippery pillar. In his first minute, he climbs 2 meters and in the next minute, he slips one meter down. In this way, how much time will he take to reach the top of the pillar?
1
10 minutes
2
21 minutes
3
12 minutes
4
11 minutes