A bag contains coins of ₹1, ₹2, and ₹5 denominations in the ratio 3:2:1. If the total amount in the bag is ₹240, find the number of ₹2 coins.
Two pipes A and B can fill a tank in 15 hours and 20 hours, respectively. Another pipe C can empty the tank in 30 hours. If all three pipes are opened t...
240.11% of 145.09 – 169.912% of 159.89 + 13.12 × √402 = ?
A number is increased by 20% and then decreased by 20%. What is the net effect on the number?
A is 60% as efficient as B, and C is 50% as efficient as A. If A, B, and C working together can finish a task in 15 days, how many days will it take for...
13, 55, 111, 183, 273, ?
A milkman initially prepared a mixture of milk and water in the ratio of 11:3. Later, he replaced half of the mixture with 30 liters of water, resulting...
A regular hexagon is inscribed in a circle of radius 10 cm. Find the perimeter of the hexagon.
A and B enter into partnership. A invests some money at beginning, B invests thrice the amount after 4 months and C invests double the amount after 8 mo...
If a man rides a bicycle at a speed of 50 km/h for 2 hours and at a speed of 40 km/h for the next 4 hours then what will be the average speed?
