self Maths Puzzle

Ques.A man can swim in still water at a speed of 3 km/hr. In a stream moving with one km per hour, he will swim up the stream a distance of 3 km in?

Read Solution (Total 3)

Speed in upstream = 3 - 1 = 2 kmph
Distance = 3 km
=> Time taken = 3/2 = 1.5 hr = 1 h
30 min
11 years agoHelpfull: Yes(1) No(0)

1 hour 30 min

Speed in upstream = 3 - 1 = 2 kmph
Distance = 3 km
=> Time taken = 3/2 = 1.5 hr = 1 h 30 min
11 years agoHelpfull: Yes(1) No(0)
Speed of man in upstream is s=3-1=2 km/hr
d=3km
t=d/s
thrfore. 3/2= 1.5 hr i.e 1 hr 30 min
11 years agoHelpfull: Yes(1) No(0)

self Other Question

Find the largest number which divides 62,132,237 to leave the same remainder in each case. Give Explanations a clever man,started off a business with a very little capital.in the 1st year,he makes a profit of 50% and donated 50% of the total capital(initial capital+profit) to charity.he followed the same in 2nd and 3rd years.if at the end of 3years,he is left with rs.16875,then find the amount donated by him at the end of second year.