For the following questions answer them individually
A cuboid has sides in the ratio 3 ∶ 4 ∶ 5 and its volume is 480 cubic units. The difference between the largest and the smallest side is ___________ units.
Amisha walks 3 km at a speed of 2 km/h, runs 7 km at a speed of 4 km/h and goes another 32 km by bus. If the speed of the bus is 28 km/h, thenfi nd Amisha’s average speed for the whole journey.
A man purchased a table marked at ₹500 at two successive discounts of 8% and 25% respectively. He spent ₹32 on transportation and sold the table for₹ 500. What is the amount he gained?
10 kg of superior quality of rice is mixed with 5 kg of inferior quality of rice. The prices of superior quality and inferior quality rice are₹ 85 and ₹46, respectively. Find the average price per kg of the mixture
A seller marked the price 25% more than its cost price. If he allows a discount of 42%, then find his loss percent.
If y varies directly with x, and y = 16 when x = 24, then find the value of y when x = 45.
Pooja, Neha, and Manoj can do a piece of work in 16, 22, and 20 days respectively. On which day will the work get finished if Pooja is assisted by both Neha and Manoj on every second day?
A train is moving at a uniform speed of 80km/h. How much distance is covered by the train in 30 minutes?
P can do a piece of work in 20 days and Q can do it in 25 days. If they work on it together for 4 days, then what percentage of work will be left?
A certain sum amounts to Rs.7,200 in 2 years at 6% per annum compound interest, compounded annually. Find the sum (in Rs., to the nearest integer).