In a party, one-fifth of the guests wanted cool drinks only. Out of the remaining, half of them liked coffee and two-thirds like tea. If 12 of the guests opted for both coffee and tea, how many guests had attended the party?
The Simple Interest on a sum of money for 2 years is Rs.50 and the Compound Interest on the same sum at the same rate for the same time is Rs.51.25. Find the rate of interest per annum
A എന്നത് ഒരു സ്കൂളിൽ ഹോക്കി കളിക്കുന്ന വിദ്യാർത്ഥികളാണ്. B എന്നത് ക്രിക്കറ്റ് കളിക്കുന്ന വിദ്യാർത്ഥികളുടെ ഗ്രൂപ്പ് ആണെങ്കിൽ , ഹോക്കി മാത്രം കളിക്കുന്ന വിദ്യാർത്ഥികളുടെ ഗ്രൂപ്പ് എത്രയാണ് ?
What is the gain per cent, while selling 33 m of cloth, if there is a gain equal to the selling price of 11 m?
An aeroplane is moving at a constant altitude 'h'. At 10:00 AM, it is seen at an elevation of 30°. 1 minute later, it is observed at an elevation of 60°. If the speed of the plane is 960 km/h, then find 'h'.
Find the total surface area of a hollow hemispherical bowl of diameter 14 cm and negligible thickness.
A train P starts from Meerut at 4 p.m. and reaches Ghaziabad at 5 p.m., while another train Q starts from Ghaziabad at 4 p.m. and reaches Meerut at 5:30 pm. At what time will the two trains cross each other?
P works twice as fast as Q. Q alone can complete some work in 12 days. Working together, how long will P and Q take to complete the work?
A boat goes upstream at 36 km/h and downstream at 40 km/h. The distance covered in each trip being the same, find the speed of boat in still water.
An article is marked 20% above the cost price and sold at a discount of 20%. What is the net result of this sale?
The length of a rectangle is halved, and its breadth is tripled. What is the percentage change in its area?
If P and Q together can do a job in 15 days, Q and R together can do it in 12 days and P and R together can do the same in 20 days, then in how many days will the job be completed, if all the three work together?
'A' sells goods to 'B' at 25% profit for Rs.300. 'B' sells it to 'C' at 10% loss. In this sale, C's cost price is equal to what percent of A's cost price?
A certain distance is covered at a certain speed. If half the distance is covered in double the time, what is the ratio of the two speeds?
Three men entered into a business in partnership for 14 months, 8 months and 7 months. If the ratio of their profit is 5 : 7 : 8, what is the ratio of their investments?
The perimeter of a rectangle is twice the perimeter of a square of side 18 units. If the breadth of the rectangle is 45, what is its area?
If 200 men can dig a canal working for 8 hours a day in 6 days, how long will it take to dig the canal, if 300 men work 6 hours per day?
A and B together take 5 days to do work, B and C take 7 days to do the same, and A and C take 4 days to do it. Who among these will take the least time to do it alone?
A and B working separately can finish a work in 15 days and 20 days. respectively. If they work on alternate days. A starting first, and if the work goes on for 8 days, what part of the work will be left unfinished?
A and B undertake to do a piece of work for Rs. 330. A can do it in 11 days and B can do it in 22 days. With the help of C, they finish it in 6 days. How much should C be paid for his work?
A alone can complete the project in 10 days; B alone can complete it in 20 days while C alone can complete it in 30 days. They together earn Rs. 1,100 for the project. By how much do the total earnings of A and C exceed the earnings of B?
Raj alone can do a piece of work in 8 days. Raman alone can do it in 12 days. If the total wage for the work is Rs. 500. How much should Raj be paid if they work together for the entire duration of the work?
If 10 men and 12 women can earn Rs.12880 in 7 days, and 15 men and 6 women can earn Rs.17280 in 9 days, then in how many days will 8 men and 10 women earn Rs.15000?
A can make a divider in 20 days, while B can make it in 50 days. If they work together and get Rs.3500, then find the share of B in the amount.
A, B and C can do a work in 20, 30 and 60 days respectively. If total Rs, 3000 is given to them, then find their individual share.
Tripti can construct a divider alone in 4 days while Rajan can construct it alone in 3 days. If they construct it together and get a payment of Rs. 14000, then what is Tripti's share?
On a certain sum of money, the Simple Interest for 2 years is Rs.140 at 4% per annum. Find the difference between Compound Interest and Simple Interest on the same sum at same rate and same period.
Six typists can type a given data in 16 days. How many days will 4 typists take to do the same work?
A train passes a platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/h, what is the length of the platform?
Find the percentage of wastage material in converting a cylinder of base diameter 10 cm and height 20 cm into a cone of equal base, but double the height of the cylinder.