A AND B run a 1760 m race ending in a dead heat. At first A runs 20% faster than B . B then quickens his pace ,and for the remaining distance runs 20% faster than A. when B quickens his pace, A has already run

If Ram and Shyam start running from a point on a circular track of length 1750 m in opposite direction. Speed of Ram is 7.5 m/sec and that of Shyam is 10m/s. Whenever they meet they put a flag on the meeting point. If they put 1750 flags on the track then what would be maximum distance between any two flags on the track.

guys plz explanations ..!!!!

Rahim plans to drive from city A o station C , at the speed of 70 km/h , to catch a train arriving from there at least 15 min before the arrival of the train. The train leaves B , located 500 km south of A , at 8:00 am and travels @ 50km/h , It is konown that C is located b/w west and north-west of B , with BC at 60(degree) angle to AB . Also , C is located south and south-west of A with AC at 30(degrees) to AB. The latest time Rahim must leave A and still catch the train is closest to

Train X with speed 36km/h and train Y with speed 15m/s start from A at the same time to reach B. After one hour train Y has a breakdown. Engine Z starts with a speed of 90km/h from B just after the breakdown. The engine crosses X in one and half hours after starting from B. Then it reaches Y and pulls it to B.

225 & 171 ?