a boat travels upstream 20km in 6 hrs and 18 km downstream
in 4hrs find the speed of boat in still water
a.1/2kmph b. 7/12kmph c.5kmph d.none of these

Answers were Sorted based on User's Feedback



a boat travels upstream 20km in 6 hrs and 18 km downstream in 4hrs find the speed of boat in still ..

Answer / akbar

min speed of boat is 3.3k/hr
max speed is less then 4.5k/hr
all options do not fall in the range so
d.none of these

Is This Answer Correct ?    13 Yes 4 No

a boat travels upstream 20km in 6 hrs and 18 km downstream in 4hrs find the speed of boat in still ..

Answer / simone

v_U = 20/6 = v_0 - v_D
v_D = 18/4 = v_0 + v_D

==> 2*v_0 = 20/6+18/4
==> v_0 = 4

Is This Answer Correct ?    1 Yes 2 No

a boat travels upstream 20km in 6 hrs and 18 km downstream in 4hrs find the speed of boat in still ..

Answer / swathi

a.1/2kmph

Is This Answer Correct ?    1 Yes 11 No

Post New Answer

More General Aptitude Interview Questions

if 3 mens or 6 boys can do a piece of work in 10 days working 7 hours a days,how many days will it takes to complete a work twice as large with 6 mens and 2 boys working together for 8 hours a day?

1 Answers  


ques-- fint the sum of series- 1!+2!+....50!=?...

1 Answers   TCS,


Animesh and Anand together got a profit of Rs. 9,600 and they distributed between themselves in the ratio of 5 : 7. What is the share of Animesh? (a) Rs. 4,000 (b) Rs. 5,600 (c) Rs. 4,800 (d) Rs. 5,200 (e) None of these

4 Answers  


g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?

0 Answers   Accenture,


From 7:00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased to fall at a rate of 1.25 in. every two hours. How many inches of rain landed on the ground by 5:00 PM?

9 Answers   Accenture, Patni, TCS,






I am first every thing. I end of all trouble. I Alway come in time. I alway end a dialogue. I alway in u r Dream.

12 Answers  


when chlorine gas is leak out what will you do?

0 Answers  


There is six letter word VGANDA . How many ways you can arrange the letters in the word in such a way that both the A's are together.

7 Answers   Cadence,


how to move a file to a folder with extension by using c program

0 Answers   IBM,


When the angle a, b, c, d are given find ‘x’?

0 Answers   Accenture,


DB2 application programs can be written in which of the following languages? a) COBOL b) PL/I, FORTRAN, PASCAL, COBOL, C c) PL/I, FORTRAN, C, COBOL, ASSEMBLER d) COBOL, PL/I, FORTRAN, BASIC, APL2, C & ASSEMBLER

2 Answers  


Rainbow has how many color. Odd man out.

1 Answers   3D PLM,


Categories