Subject :IMO Class : Class 7
A bus starts from a depot filled to capacity. It stops at a station A, where 
of the passengers alight and 30 board the bus. At station B, 
of the passengers alight and 12 board the bus. At station C which was the last stop, all the 84 passengers alight. What is the capacity of the bus?
A90 passengers
B99 passengers
C85 passengers
D105 passengers
Ans 1:
Class : Class 7
The answer is 99 passengers
Ans 2:
Class : Class 7
99 passengers
Ans 3:
Class : Class 7
56 passengers
Ans 4:
Class : Class 3