3 3 votes X, Y and Z wish to go from place A to place B, which are separated by a distance of $70$ km. All the three persons start off together form A, with X and Y going by Luna at a speed of $20$ kmph. X drops V somewhere along the way and returns to pick up Z who has already started walkig towards B at a speed of 5 kmph. V. after being dropped by X, starts walking towards B at a speed of $5$ kmph. In this manner, all three of them reach B at the same time. After how much time is Y dropped on the way by X? $2.0$ hours $3.0$ hours $2.5$ hours $1.5$ hours Quantitative Aptitude cat1996 quantitative-aptitude time-and-distance + – Misbah Ghaya 8.8k points 3.1k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.