Which gas is commonly used in fire extinguishers to smother flames?
Carbon dioxide is widely used in fire extinguishers as it can displace oxygen, essential for combustion. CO₂ extinguishers are effective for electrical fires and flammable liquids, as they do not leave residues.
In what ratio rice at 48 Rs/kg should be mixed with the rice at 34 Rs/kg so that selling mixture at Rs 46 per kg gives the profit of 15% if the quantity...
A shopkeeper has 112 kg rice a part of it, he sells at the profit of 40% and rest at loss of 16% and he get the loss of 12% so what is the quantity sold...
In what ratio rice at 50 Rs/kg should be mixed with the rice at 36 Rs/kg so that selling mixture at Rs 48 per kg gives the profit of 20% if the quantity...
Cost of two types of pulses is Rs.18 and Rs, 23 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
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.
Cost of two types of pulses is Rs.24 and Rs, 29 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
In a Mall parking, there are some two wheelers and rest are four wheelers. If wheels are counted, there are total 120 wheels but according to the charge...
A principal of ₹6000 is invested at a rate of 10% per annum. What is the difference between the simple interest and compound interest earned after 2 y...
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
