Q.Speed of a boat is 9 kmph. it oes to a distance from A and B upstream and comes back from B to A downstream in 18 hours. if the speed of the current is 3 kmph, find the distance between A and B
A) 60 km
B) 72 km
C) 79 km
D) 92km
Related Questions
Q.
The ratio of speeds of a motor boat to that of the current of water is 36 : 5. The motor boat, goes along with the current in 5 h 10 min. Find the time to come back of motor boat.
A) 5 hr 50 min
B) 6 hr
C) 6 hr 50 min
D) 12 hr 10 min
Q.
The speed of a boat in still water is 15 km/hr. It can go 30 km upstream and return downstream to the original point in 4 hrs 30 min. The speed of the stream is:
A) 8 km/hr
B) 5 km/hr
C) 10 km/hr
D) 15 km/hr/
Q.
A boat goes 24 km downstream in 10 hours. It takes 2 hours more to cover the same distance against the stream. What is the speed of the boat in still water?
A) 2 km/hr
B) 2.8 km/hr
C) 4 km/hr
D) 2.2 km/hr
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 3 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: 72 km
Solution:
let the distance between A and B be 'x' km
then, ,
=> x= 72 km