Q.Two athletes A and B started running on a circular track of length 500m from the same point but in opposite directions. B, traveling at a speed of 25m/s collided with A. As a result A stopped for 5 secs and B for 10 secs then they continued running in their respective directions with their respective
speeds. If they reached the starting point at the same time, then find the speed of A.
A) 30m/s
B) 40m/s
C) 15m/s
D) 20m/s
Related Questions
Q.
Two stations Aand B are 110km apart on a straight line. One train starts from A at 7a.m. and travels toward B at a speed of 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time they meet
A) 9 a.m
B) 10 a.m
C) 11 a.m
D) 11:30 am
Q.
Hari has a piece of cake 60 cm long. He gives Raja half of it. He then gives Gopal 1/4th of what is left. After giving a piece to Sahi, be is left with 1/10th of the original. How much did he give to Sahil ?
A) 21.5 cm
B) 16.5 cm
C) Rs. 5
D) Rs. 3
Q.
in what time a 270 m long train running at 108 kmph speed can overtake a 175m long train running at 36 kmph speed?
A) 26.25 sec
B) 12.5 sec
C) 22.5 sec
D) 32.5 sec
Today's Challenging Question
Q.
Ajay & Bimal can do a price of work in 10 days, Bimal & Chetan can do in 15 days and Chetan and Ajay in 20 days. They work together for 6 days and then Ajay leaves and now Bimal & Chetan work together for 4 more days. If Bimal leaves, how long will Chetan take to finish the work?
A) 12 days
B) 10 days
C) 16 days
D) none 1 members solved
Solve Challenging question
Q.
Ajay & Bimal can do a price of work in 10 days, Bimal & Chetan can do in 15 days and Chetan and Ajay in 20 days. They work together for 6 days and then Ajay leaves and now Bimal & Chetan work together for 4 more days. If Bimal leaves, how long will Chetan take to finish the work?
A) 12 days
B) 10 days
C) 16 days
D) none
Correct Answer: 20m/s
Solution: