Quant Quiz - Arithmetic - 28 January 2023

The cost of type-I material is Rs. 12 per kg and type-II material is Rs. 25 per kg. If both type-1 and type-2 materials are mixed in the ratio of 2 : 3, then what is the price per kg of the mixed variety of material?

The average of first 10 natural numbers is how much less than the average of first 10 prime numbers?

The length of a rectangle is 4/7 of the side of a square. The side of the square is equal to the radius of a circle . The circumference of the circle is 264 cm. What is the area of the rectangle if the breadth of the rectangle is 16 cm?

If the selling price is tripled and cost price doubled the profit would become 75%. What is the original profit percentage?

Pipe A can fill a tank in 3 hours. Pipe B takes double the time of Pipe A to fill the same tank. Pipe C takes one-third of time taken by B to fill the same tank. How long it will take to fill the tank if all the pipes are opened together?