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
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 |
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 |
There are 19 red balls and one black ball . Ten balls are put in one jar and the remaining 10 are put in another jar. what is the possibility that the black is in the right jar.
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?
why are you interested in the field of Human Rights?
A table containing decimal nos. from 1 to 100 and their roman Equivalent was given. We were required to write a function : char* ConverToRoman(int number) : to convert the given number( 1<=number<=100) into its numerical equivalent. I want a solution in C/C++ language
there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides.
(root 200) - (root 50) =?
4 Answers Citicorp, COSL, Wipro,
Find the Series number: 0,2,3,5,8,10,15,17,24,26,..
14%of 14000 is equal to
11 Answers CTS, TCS, UHG,
5,17,37,55,101,.....?
A sheet of paper has statements numbered from 1 to 40. For each value of n from 1 to 40, statement n says "At least n of the statements on this sheet are true." Which statements are true and which are false? The first 13 statements are true and the rest are false. The first 26 statements are false and the rest are true. The odd numbered statements are true and the even numbered are false. The even numbered statements are true and the odd numbered are false
14.60 x ? + 13.5 = 50
HERE = COMES – SHE, (Assume s = 8), Find value of R + H + O