Question
A and B together started a business by investing their
capital in the ratio of 13:9, respectively and total amount invested by them together is Rs. 2640. After 4 months, A decreased his investment by Rs. 500 and after 4 more months, B increased his investment by Rs. 200. Find the ratio of profit received by them at the end of the year.Solution
Initial investment made by A = (13/22) × 2640 = Rs. 1560 Initial investment made by B = (9/22) × 2640 = Rs. 1080 Profit sharing ratio of A and B = (1560 × 4 + 1060 × 8):(1080 × 8 + 1280 × 4) = 46:43
The diameter of the base of a cylindrical drum is 14 cm and its height is 12 cm. The drum is full of water and the water from the drum is transferred to...
A barrel has 140 liters of mixture of alcohol and water, in which water is 10%. 30 litre of this mixture was taken out and replaced with “X”...
A solid hemisphere of diameter 8 cm is placed over a cube whose side is 7 cm. Calculate the total surface area of the combined structure. [Use π = 3]
If the length of a rectangle is increased by 15% and its breadth is decreased by 5%, then the area of the rectangle will be increased or decreased by ho...
Find volume of a cone of radius 7 cm and height 24 cm. (Use π = 22/7)
What is the difference between (in m2) the area of a circular field of radius 28 metres and area of a rectangular piece of land having its di...
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
John has finished planting 1/4 th of the area of rectangular garden which is 12ft wide. When he finishes planting another 90 sq. ft of the ga...
A rectangular water tank is 80 m x × 40 m. Water flows into it through a pipe of 40 sq.cm at the opening at a speed of 10 km/hr. The water level will ...
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 160 m, then find the area (in m2) of the rectangle.