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 / abhilasha

Cap fell here

A-------------->B----------------->C Upstream-------->
1mile
-----5 min--------

A<-----<<-------B<--------<<------C <<------Downstream

---------------5 min---------------
cap reached
here
From B to A total time taken by cap to reach at A =5+5
=10 min (B-->C--C-->B-->A)

Total distance covered by capto reach frm B to A =1 mile (with speed of river)

so speed of river =1 mile/ 10 min
= 1/(10/60)hr
=6 mile/hr Ans

Is This Answer Correct ?    66 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Hi friends i am new to this site. Pls provide me the KVB clerical exam model question papers. pls send to mail id mailstoaaa@gmail.com. Hope u guys will help me.

1722


How can you make a square from two triangles?

738


There is a rectangular terrace whose length and width are 60m X 20m. There is a walkway of uniform width around terrace. Area of walkway is 516m^2. Find width of walkway:

787


A person runs 6 ft in 1/4 sec. how much it will run in 10 sec. ans 240

3508


What number comes next 10, 9, 60, 90, 70 and 66?

792






Find the unit digit of product of the prime number up to 50 ?

972


A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. How much time would it take the monkey to reach the top?

887


a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?

864


A car is filled with four and half gallons of oil for full round trip. Fuel is taken 1/4 gallons mor3 in going than coming. What is the fuel consumed in coming up?

1050


In a certain college, 20% of the boys and 40% of the girls attended the annual college outing. If 35% of all the students are boys, what percent of all the employees went to the outing?

930


What is the max possible 3 digit prime number?

763


a student is ranked 13th from right and 8th from left.how many are there(similar)

669


Choose the odd man out from the below mentioned options?

654


What was the aggregate of marks obtained by sajal in all the six subjects?

819


There are 27 balls, of which 1 is heavier. given a balance how many times you need to weigh to find out the odd ball.

1117