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
Answer Posted / 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 |
Post New Answer View All Answers
Certain no. of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally.
a man works. He has to maintain 100 cups. He gets 30 ps for every cup he safeguards and has 10 pay 90 ps for every cup he breaks.if he earns rs.24 per day, how many did he break?
A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?
6 people A,B,C,D,E and F sit around a table for dinner. Since A does not like C, he doesn't sit either opposite or beside C.B and F always like to sit opposite each other. If A is beside F then who is are the two neighbours of B?
In a storage stall of 5x3x2inch.How many blanks of size 2x1x1inch can be stored..
A man can row downstream at a rate of 14 kmpl & upstream at 9 kmpl. Find man's rate in still water ?
The average of 4 consecutive even numbers is 27. What is the largest number?
in pure milk if 20% replaced by water and in this again 20% is replaced by water and again 20% is replaced by water then what is the proportion of milk in that mixture
Consider a pile of Diamonds on a table.A thief enters and steals 1/2 of th e total quanity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2.Then 4th thief enters and steals 1/2 of the remaining+2.When the 5th one enters he finds 1 diamond on the table.Find out the total no. of diamonds originally on the table before the 1st thief entered.
two trees are there. one grows at 3/5 of the other. in 4 years, total growth of trees is 8 ft. what growth will smaller tree will have in 2 years.
Sir iam going to write exam for the post of Officers under training in APSRTC. Please send me the model papers to my mail ganjiramji@gmail.com
2 persons start from a pt. and go in opposite directions. After going 3 km they turn left and walk 4 km . how far r they now?
A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/than the amount taken for coming, what is the amount of fuel consumed while coming back?
i want rrb tc exam previous pepers
The length and breadth of a rectangle are increased by 20% and 40% respectively. What is the percentage increase in its area?