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Recent questions and answers in Percentages
Questions
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Olympiad-Math
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Class 6
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Math
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Percentages
A student must secure 50% marks to pass in an examination. He obtains 52 marks and fails by 23 marks. What are the maximum marks of the examination?
class6
math
olympiad
pecentages
medium
answered
Mar 28
by
mendemsrilatha7
1
answer
Rakesh's Mathematics test had 75 problems, 10 arithmetic, 30 algebra, 35 geometry problems. Although he answered 70% of arithmetic, 40% of arithmetic and 60% of geometry problems correctly, still he got less than 60% problems right. How many more questions he would have to answer more to get passed ?
class6
math
olympiad
pecentages
difficult
answered
Mar 8
by
olachristimothy3869
1
answer
Two clocks are set correctly at 10 a.m. on Friday. The first clock gains 2 minutes per hour, which is twice as much as gain by the second. What time will the second clock register when the correct time is 2 p.m. the following Monday ?
class6
math
olympiad
pecentages
medium
answered
Mar 7
by
rythwikreddy
1
answer
The day on 5th March of a year is the same day on what date of the same year?
class6
math
olympiad
pecentages
medium
answered
Mar 2
by
rdas17666
1
answer
Find the angle between the hour and the minute hand of a clock when the time is 3.25.
class6
math
olympiad
pecentages
difficult
answered
Dec 11, 2019
by
rdc1843
1
answer
2 pumps, working 7 hours a day, can empty a tank in 3 days. How many hours a day must 3 pumps work to empty the tank in 1 day?
class6
math
olympiad
pecentages
medium
answered
Nov 24, 2019
by
ammarasaqib17
1
answer
The ratio of the two numbers is 13 : 17 and their H.C.F. is 23, find the numbers.
class6
math
olympiad
pecentages
medium
answered
Sep 24, 2019
by
suryavanshiravi70041
1
answer
How many natural numbers between 23 and 137 are divisible by 7?
class6
math
olympiad
pecentages
easy
answered
Aug 20, 2019
by
bindhukm398
1
answer
The difference between a two digit number and the number obtained by interchanging the digits is 72. What is the difference between the digits of the number?
class6
math
olympiad
pecentages
difficult
answered
Aug 20, 2019
by
bindhukm398
1
answer
Two third of three fourth of a number is 24. Then one third of that number is
class6
math
olympiad
pecentages
easy
answered
Aug 1, 2019
by
haseenaparveen.a
1
answer
The sum of squares of three numbers is 764 and sum of their products taken two at a time is 500. What is their sum?
class6
math
olympiad
pecentages
difficult
answered
Jul 10, 2019
by
manjula.neelu
1
answer
The H.C.F. of 1.35, 3.15 and 6.75 is:
class6
math
olympiad
pecentages
easy
answered
Jul 10, 2019
by
bhtkkachhadiya
1
answer
A clock is set right at 6 a.m. The clock loses 16 minutes in 24 hours. What will be the true time when the clock indicates 10 p.m. on 4th day?
class6
math
olympiad
pecentages
medium
answered
Feb 17, 2019
by
akashvyas1012
1
answer
The L.C.M. of two numbers is 140 and their H.C.F. is 5. If the sum of the numbers is 55. Then their difference is:
class6
math
olympiad
pecentages
difficult
answered
Dec 14, 2018
by
deeph1695
1
answer
If two pipes function simultaneously, the reservoir will be filled in 6 hours. One pipe fills the reservoir 5 hours faster than the other. How many hours does it take the second pipe to fill the reservoir ?
class6
math
olympiad
pecentages
difficult
answered
Nov 20, 2018
by
rahulkocher44
1
answer
A train is moving at a speed of 108 km/hr. If the length of the train is 120 metres, how long will it take to cross a railway platform 180 metres long ?
class6
math
olympiad
pecentages
easy
answered
Mar 31, 2018
by
sheebalancy
1
answer
How long does a train 115 metres long running at the speed of 90 km/hr. take to cross a bridge 135 metres in length ?
class6
math
olympiad
pecentages
easy
answered
Mar 31, 2018
by
sheebalancy
1
answer
The population of a town increases by 10% per annum for two years then decreases by 10% per annum for the next two years, if the population of the town four year ago was 10000, what would it be today?
class6
math
olympiad
pecentages
medium
answered
Jul 20, 2017
by
vanlalliana1991
1
answer
A bus covers a distance of 66 kms in 90 minutes where as a truck covers a distance of 1100 metres in 2 minutes. The ratio of their speeds is :
class6
math
olympiad
pecentages
easy
answered
Jul 6, 2017
by
pady_1
1
answer
Three clocks were set to true time and starts to run together, makes a beep sound at intervals of 8,10 and 12 minutes respectively. In 2 days, how many times do they will make the sound together ?
class6
math
olympiad
pecentages
difficult
answered
Apr 9, 2017
by
sandeepasr6
1
answer
At 3.40, the hour hand and the minute hand of a clock form an angle of
class6
math
olympiad
pecentages
easy
answered
Aug 30, 2016
by
meena.p
3
answers
A train 120 m long is running at the speed of 54 km/hr. Find the time taken by it to pass a man standing near the railway line.
class6
math
olympiad
pecentages
easy
answered
Aug 30, 2016
by
meena.p
1
answer
A tap fill a tank in 12 min. at the rate of 6 litre/min. another tap empties the tank in 36 min. How much remains in the tank after 10 min. ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Two pipes P and Q can fill a tank in 12 min. and 16 min. respectively. If both the pipes are opened simultaneously, after how much time Q should be closed so that the tank is full in 6 minutes ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Two pipes P and Q can fill a tank in 45 min. and 36 min. respectively. A water pipe can empty the tank in 30 min. First P and Q are opened. After 7 minutes, R is also opened. In how much time, the tank in full ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Two taps fill in tank in 20 hours. and 10 hours. Two taps are opened first. After how much time the second tap should be closed off so that the tap full in 14 hours ?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Two pipes can fill a cistern in 8 hours and 7 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 16 minutes more to fill the cistern. When the cistern is full, in what time the leak empty it ?
class6
math
olympiad
pecentages
difficult
asked
Dec 8, 2014
by
pady_1
0
answers
An electric pump can fill a tank in 6 hours. Because of a leak in the tank, it took 7 hours to fill the tank. If the tank is full, how much time will the leak take to empty it ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
One tap can fill a tank 10 hours. And another tap can empty the tank in 15 hours. How much time does it take to fill the tank if both pipes are opened ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Two pipes fill in a tank in 10 min. and 15 min. respectively. If both pipes are opened how much time does it take to fill the tank ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Two pipes P and Q can fill a tank in 22.5 hours and 18 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank ?
class6
math
olympiad
pecentages
difficult
asked
Dec 8, 2014
by
pady_1
0
answers
Pranav does a work in 6 days and Suman does the same work in 14 days. In how many days they together will do the same work?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
A work can be done by Arun and Balu is 15 days; by Balu and Chandan in 20 days and by Chandan and Arun in 30 days. In how many days can Chandan alone do the work ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
The efficiency of Lohith and Lokesh are 3 : 2, the no. of days they can finish a work will be in ratio ?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Darshan and Ganesh can do a work independently in 20 days and 30 days. They two started the work, 2 days before completion of the work both Darshan and Ganesh dropped from the work. The remaining work was completed by Kalyan in 10 days. In how many days, Kalyan alone can do the work ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Vijay and Subbu can do a work independently in 20 days and 24 days. Subbu started the work and did for 6 days. The remaining work was done by Vijay in how many days?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Ashish can do 1/2 of a work in 10 days and Karthik can do 1/3rd of the same work in 8 days. What is the ratio of their capacities ?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Paul and Johnson undertake to do piece of work for Rs. 2400. Paul alone can do it in 12 days. While Johnson alone can do it in 16 days. With the help of Clinton, they finish it in 6 days. Find the share of Johnson.
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Antony can do a certain job in 21 days. David is 40% more efficient than Antony. How many days does David alone take to do the same job?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
If Atmika and Bhagya together can complete a piece of work in 8 days. If Atmika alone can complete the same work in 24 days, in how many days can Bhagya alone complete that work?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
Jayaram takes 6 hours to do a job. Rajesh takes 9 hours to do the same job. How long should it take both Jayaram and Rajesh, working together but independently, to do the same job?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
A train 280 metres long is running at a speed of 64 km/hr. If it crosses a tunnel in 45 seconds, then the length of the tunnel (in metres) is :
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
A train 120 m long passed a pole in 12 seconds. How long will it take to pass a platform 450 m long ?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
A train running at the speed of 72 km/hr crosses a pole in 11 seconds. What is the length of the train ?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
A train covers a distance of 6 km in 5 minutes. If it takes 10 seconds to pass a telegraph post, then the length of the train is :
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
In what time will a train 140 metres long cross an electric pole, if its speed be 126 km/hr.
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Two trains 110 metres and 130 metres long are running in the same direction with speeds of 86 km/hr and 68 km/hr. In how much time will the first train cross the second ?
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Find the length of the train if it takes 15 sec, travelling at 54 km/hr to cross a man standing beside the track.
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Raju takes 1.5 hours more than Ramu for covering a distance of 20 km. If Raju doubles his speed, then he would take 1 hour less than Ramu. Raju's speed is:
class6
math
olympiad
pecentages
easy
asked
Dec 8, 2014
by
pady_1
0
answers
Raman was going to Bangalore to Chennai on a Bus. He found out that including stoppages, the speed of the bus is 36 kmph and excluding stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
class6
math
olympiad
pecentages
medium
asked
Dec 8, 2014
by
pady_1
0
answers
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