A son and father goes for boating in river upstream . After
rowing for 1 mile son notices the hat of his father falling
in the river. After 5 min. he tells his father that his hat
has fallen. So they turn around and are able to pick the
hat at the point from where they began boating after 5 min.
Find out the speed of river.

Answer Posted / ashique hussain

1+(u-v)*5=(u+v)*5
=> v=1/10 mile/min.
so v=(1/10)*60 = 6 mile/hr.

Is This Answer Correct ?    21 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

A man how many bikes of Rs 14000 can buy by selling 2100 bikes of Rs500/- of each

921


No. of animals is 11 more than the no. of birds. If the no. of birds were the no. of animals and no. of animals were the no. of birds( ie., interchanging no.s of animals and birds.), the total no. of legs get reduced by one fifth (1/5). How many no. of birds and animals were there?

1247


There are two queues at a discount store billing counter. In the first queue there are a1 customers all with b1 items in their cart, while in the second queue there are a2 customers all with b2 items in their cart. It takes t seconds to process each item and p seconds for each person to pay. A customer wishes to know which queue to join.Which one of these options gives the condition for the first queue to be the better queue to join?

657


A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river.After 5 min. he tells his father that his hat has fallen. So they turn round and are able to pick the hat at the point from where they began boating after 5min. Tell the speed of river?

748


In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator subtracted from the denominator, the fraction becomes 3/4. Find the fraction.

716






Find the next letter in the series O,T,T,F,F,S,S--

682


one answer is 200/3 % it is perfectly correct wecannot recollec the prob. so place it blindly.

767


What kind of questions are there in Harbinger Aptitutde test paper(for 2011)and their paper pattern?Plz reply urgently.

15036


in a city, there are 100 buildings numbered by corporation between 0-100, how many twos are shown in door,

674


Two sentences are given and we were required to print the common word in the two sentences. Words were delimited by space, full stop, ? , ! and , . The trick in the question was that common word should be printed only once so if ur first sentence contains two word "how" and second contains "how" then in output how should be printed only once for this u can replace each matched word in second sentence by spaces . i want a solution in C/C++ language

2348


There are five thieves, each loot a bakery one after the other such that the first one takes 1/2 of the total no. of the breads plus 1/2 of a bread. Similarly 2nd, 3rd,4th and 5fth also did the same. After the fifth one no. of breads remained are 3. Initially how many breads were there?

889


WRITE ABOUT A RECENT VISIT TO A RESTAURANT.

4268


How many different 9 digit numbers can be formed from the number 223355888 by re-arranging its digits so that the odd digits occupy even position?

815


There are 3 societies A, B, C.A lent cars to B and C as many as they had already.After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24.Find the cars each originally had.

1005


Explain the Binomial theorem?

648