For the following questions answer them individually
The following bar diagram shows the number of students who opted for the different subjects in the year 2020 and 2021.
Find the ratio of students opting Economics to students opting Physical Education in 2020.
The given pie chart represents the percentage of people in a city who are interested to buy the laptop of five different companies - A, B, C, D and E.
The number of people interested to buy company A's laptop is what percentage of the number of people interested to buy company D's laptop?
If the 9-digit nmnber 97 x 4562y8 is divisible by 88, what is the value of $$(x^2 + y^2)$$ for the smallest value of y, given that x and y are natural numbers?
The following bar chart shows the number of students playing various games on a given day.
Study the bar chart carefully and answer the question that follows.
The average the number of students playing rugby, hockey, badminton and squash is what percentage of the average number of students playing tennis and football?
A hall of 10 m length, 5 m width and 6 m height is to be painted (one side only). Determine the total surface area to be painted. (neglect the area of windows and doors)(floor area is NOT to be painted)
Simplify.
$$\cos(36^\circ - A)\cos(36^\circ + A) + \cos(54^\circ - A)\cos(54^\circ + A)$$
The given pie chart shows the percentage of students who enrolled in different bobby classes in a school. The number of students who enrolled in cooking classes is what percentage of those enrolled in dancing classes? (Rounded off to 2 digits after decimal).
The average height of three kids is 56 cm and their heights are in the proportion of 7 : 8 : 9. Find the heights of all the three.
P and Q can do a piece of work in 14 days. Q and R together can do it in 21 days. If P is twice as good a workman as R, then in how many days Q alone can do the work?
Rajkumar decides to sell his watch at a discount of 5%. However, his brother purchases it from him and receives an 8% discount. Raj loses Rs.45 in profit as a result of this. What was the watch's marked price?