To find the distance of point B from point A, while starting from point A, select the incorrect step from the following ones.
A person travels at speed of X m/s for one minute, still he finds himself 49 m away from a point. Given that the destination is 87 m away from that point. Find the distance between the starting point and the destination?
Three boys step off together from the same place. If their steps measure 36 cm, 48 cm and 54 cm, at what distance from the starting point will they again step together?