The sum of two numbers is 10 . Their product is 20 . Find the sum of the reciprocals of the two numbers:
The average of 11 numbers is 20. If the average of the first six numbers is 19 and that of the last six numbers is 22, then the middle number is
Two trains running in opposite directions cross a man standing on the platform in 27 sec, 17 sec, respectively and they cross each other in 23 sec. The ratio of their speed is:
Two trains of length 75m and 95m are moving in the same direction at 9m/s and 8m/s, respectively. Find the time taken by the faster train to cross the slower train
Without stoppage, the speed of a train is 54 km/hr and with stoppage, e, it is 45 km/h. For how many minutes, does the train stop per hour?
If the perimetter of a rectangular field is 200 m and its breadth is 40 m, then its area (in m²) is.
A table is sold for Rs. 5060 at a gain of 10%. What would have been the gain or loss percent it had been sold for Rs. 4370?
A table is sold for Rs. 5060 at a gain of 10%. What would have been the gain or loss percent it had been sold for Rs. 4370?
The cost of whitewashing the 4 walls of a room is Rs. 300. The cost of white washing the room thrice in length, breadth and beight is
35% of marks require to pass in the examination. Ambili got 250 marks and failed 30 marks. The maximum marks in the examination is
A 280 metre long train moving with a speed of 108 km/h crosses a platform in 12 second. A man crosses the same platform in 10 seconds. What is the speed of the man?
A marble stone rectangular in shape weight 125 kg. If it is 50 cm long and 5 cm thick, what will be the breadth of it provided 1 cm cube of marble, weighs 25
Sharon purchased a bicycle for Rs. 6600 including sales tax 10%. Find out the cost price of the bicycle
A lawn is in the shape of a rectangle of length 60 metres and width 40 metres. Outside the lawn there is a footpath of uniform width 1 metre broadening the lawn. Find out the area of the path.
Five bells first begin to toll together and then at intervals of 3 s, 5s, 7s, 8s and 10 s. Find after what interval they will gain toll together?
A reduction of 20% in the price of sugar enables a purchaser to obtain 2.5 kg more for 160. Find the original price per kg of sugar
The average marks in English subject of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 of the actual marks 48, 59 and 67 respectively, then what would be the correct average?
The sum of the numerator and denominator of fraction is 15. If one is added to numerator and two is subtracted from denominator, the fraction will becomes 5/9.Then the value of original fraction is:
A can do a work in 12 days. When he had worked for 3 days, B joined him. If they complete the work in 3 more days, in how many days can B alone finish the work?
210m-ഉം 190m-ഉം നീളമുള്ള രണ്ട് ട്രെയിനുകൾ ഒരേ ദിശയിൽ യഥാക്രമം 80 കിലോമീറ്ററും 70 കിലോമീറ്ററും വേഗതയിൽ സമാന്തര ലൈനുകളിൽ ഓടുന്നു. ഏത് സമയത്താണ് അവർ പരസ്പരം കടന്നുപോകുക?
There are sufficient food for 500 men for 45 days. After 36 days, 200 men left the place. For how many days will the rest of the food last for the remaining people?
A bus starts from P at 10 am with a speed of 25 km/h and another starts from there on same day at 3 pm in the same direction with a speed of 35 km/h. Find the whole distance from P both the bus will meet.
Two taps can fill together a tank in 6 hr 40 minutes. One can fill it independently in 12 hrs, the other can fill in
A sum was put at simple interest at a certain rate for 2 years. Had it been put at 1% higher rate, it would have fetched Rs 24 more. The sum is:
The number of square tiles of side 50 cm is required to pave the floor of a square room of side 3.5 m is
By melting an iron sphere of radius 6 cm, 3 small spheres are made whose radius are in the ratio 3: 4: 5. The radius of smallest sphere is
At the end of a conference, the ten people present all shakehands with each other once. How many shakehands will there be altogether
729 ml of mixture contains milk and water in the ratio 7:2. How much more water is to be added to get a new mixture containing milk and water in the ratio 7:3?
Poles are arranged in straight line with 2 metre gap between them. How many poles will be there in a straight line of 50 metres?
On dividing a number by 56 we get 29 as remainder. On dividing the same number by 8, what will be the remainder?
A book shelf contains 45 books more than 1/20th of the total books in a library. If there are 109 books in the shelf, how many books are there in the library.?
A bag contains one rupee, 50 paise and 25 paise coins in the ratio 5:6:7. If the total money in the bag is Rs.312, find the number of 50 paise coins?
In an election of two candidates, the candidates who gets 43 percent votes is rejected by a majority of 7700 votes. If there are no invalid votes, what is the total number of votes polled.