A water tank has two holes. The 1 hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
The correct answer is A
A sum of ₹10,000 is invested in two schemes A and B. Scheme A offers 10% per annum and scheme B offers 15% per annum. If the total interest earned aft...
Find the distance between points A(2, 3) and B(7, 8).
In a trapezium, the lengths of the two parallel sides are 24 cm and 18 cm, and the distance between them is 16 cm. Find the length of the midsegment (li...
A parallelogram has two adjacent angles measuring 110° and 70°. What is the difference of the other two angles?
A circle with radius 5 units is inscribed in a square. What is the area of the square?
A sum of ₹25000 is invested in two parts, one at 8% and the other at 10%. The total interest earned after a year is ₹2300. How much was invested at ...
A sphere is inscribed in a cylinder. The radius of the cylinder is 7 cm. What is the volume of the sphere?
A product is sold at ₹720 after two successive discounts of 10% and 20%. Calculate the marked price of the product.
The area of four walls of a room is 140 cm2. If the length and breadth of the room were equal and the height of the room is 7 cm, then what i...
A and B can complete a piece of work in 12 days and 18 days, respectively. They start working together but A leaves after 6 days. How many more days wil...
