Question 7
Each of A, B, C and D has a watch.
(1) A's watch is 10 minutes faster than standard time but A believes that it is 5 minutes slower.
(2) B's watch is 5 minutes slower than standard time but B believes that it is 10 minutes faster.
(3) C's watch is 5 minutes faster than standard time but C believes that it is 3 minutes faster.
(4) D's watch is 5 minutes slower than standard time but D believes that it is 10 minutes slower.
According to their watches and their beliefs, they go to school in order to be just in time. Who is late?
(1) A's watch is 10 minutes faster than standard time but A believes that it is 5 minutes slower.
(2) B's watch is 5 minutes slower than standard time but B believes that it is 10 minutes faster.
(3) C's watch is 5 minutes faster than standard time but C believes that it is 3 minutes faster.
(4) D's watch is 5 minutes slower than standard time but D believes that it is 10 minutes slower.
According to their watches and their beliefs, they go to school in order to be just in time. Who is late?