IBPS PO Mains 2018 Paper for online practice

Uday can cover 'X' distance with 'Y' speed in 'Z' time. He can cover same distance with 'Y + 10' speed in (Z – 2) time. He can cover same distance 'X' with 'Y'–15 speed in (Z + 6) time. What can be found from the given data.
(i) time to cover 200 km with speed 'Y + 10'
(ii) distance covered in (Z + 6) time with (Y + 10) speed
(iii) speed by which a tunnel can be crossed in

Z

2

hour
(iv) Ratio between time to cover distance 'D' with speed 'Y' to time to cover distance (X – 5) with speed (Y + 10)