Question
A person "P" allocates 34% of their monthly income to
entertainment, 22% to food, 18% to studies, 12% to clothes, and the remainder to traveling. The difference between the amounts spent on entertainment and traveling is Rs. 3600. Determine the amount spent on food.Solution
ATQ,
Let monthly income of P is Rs. 100x Percentage of amount spent on travelling = 100 – 34 – 22 – 18 – 12 = 14% According to question 0.34 × 100x – 0.14 × 100x = 3600 34x – 14x = 3600 20x = 3600 x = 180 Monthly income of P= Rs. 18000 Money spent on food = 0.22 × 18000 = Rs.3960
Twenty five liters of 60% concentration of acid solution is added to 35 liters of 80% concentration of acid solution. What is the concentration of acid ...
A circular park is having the circumference of 110m. A uniform path of width 3.5m has been made around the park. Find the area of this path?
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
The measure of an angle is one-third of its supplementary angle. Find its measure.
- The area of the base of a rectangular reservoir is 960 m² and the volume of water contained in it is 38400 m³. Find the depth of the water in the reservo...
There is a rectangular paper, whose length and breadth are in the ratio 7:8, respectively and it has a perimeter of 60 metres. If a triangular piece wit...
The volume and height of a cylinder are 2662 cm3 and 7 cm. Find the radius of the cylinder.
Find the length of a wire radius 0.40 cm which can completely cover the surface of a cylinder whose height is 1.6m and base radius 21 cm?
The radius of a right circular cylinder is 3 times its height. If the height of the cylinder is 3.5 cm, then what is the volume of the cylinder. (in cub...
A cuboidal room has a length of 28 metres and a width of 16 metres. The volume of air in the room is 2240 cubic metres. What will be the cost of paintin...
Relevant for Exams:
