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The combined Average marks of Boys and girls of a class is 66 and the ratio of number of boys and girls is 3:1 and the average marks of the boys is 68. ...
A principal of ₹10000 is invested at a compound interest rate of 12% per annum compounded quarterly. What will be the amount after 1/2 year?
In a 280-litre mixture (milk + water), the ratio of quantities of milk and water is 3:4, respectively. How much water should be added to this mixture su...
The cost price of a rice bag is 40% of the cost price of a sugar bag. The rice bag is sold at a 60% profit, while the sugar bag i...
A glass contains a certain quantity of vodka. After removing 8 liters of vodka and replacing it with lime, this process is repeated twice more—first, ...
The ratio of the incomes of Vineet and Vidya is 12:5 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their ...
A Hemi sphere has a volume of 486Ï€ cubic units. What is the radius of the sphere?
A car travel 20km/h for 30 min and at x km/h for 45 min. If the average speed of the car for entire journey is 14 km/h find the value of x.
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
In what ratio rice at 58 Rs/kg should be mixed with the rice at 32 Rs/kg so that selling mixture at Rs 54 per kg gives the profit of 35% if the quantity...