railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
Two wheels of diameter 7 cm and 14 cm start rolling simultaneously from two points A and B which are 1980 cm apart each other in opposite towards directions. Both of them make same number of revolutions per second. If both of them meet after 10 seconds, the speed of bigger wheel is
1
88 cm/s
2
110 cm/s
3
132 cm/s
4
154 cm/s