The following Pictograph gives us the number of hours required to finish the course of a subject before an exam. From this, you analyse that the subject that takes most no. of hours is _ and the subject that takes least no. of hours is _.

Open in App

Solution

If you count the number of hours, it is as:

$\begin{matrix} English & 5 X 2 = 10 hours Mathematics & 7 X 2 = 14 hours Physics & 4 X 2 = 8 hours Chemistry & 3 X 2 = 6 hours Biology & 4 X 2 = 8 hours \end{matrix}$

So, Mathematics takes most and Chemistry takes least.

Suggest Corrections

Similar questions

Q. A student has to review a subject before his exams. If the number of topics covered is directly proportional to numbers of hours taken and If he covers 9 topics in a single 45-minute period, how many topics can he cover in a 1-hour period?

Q. A takes 5 hours more time than that taken by B to complete a work. If working together they can complete a work in 6 hours, then the number of hours , then the number of hours that a takes to complete the work individually is

Q. A cottage industry manufactures pedestal lamps and wooden shades, each requiring the use of a grinding/cutting machine and a sprayer. It takes

2

hours on grinding/cutting machine and

3

hours on the sprayer to manufacture a pedestal lamp. It takes

1

hour on the grinding/cutting machine and

2

hours on the sprayer to manufacture a shade. On any day, the sprayer is available for at least for at the most

20

hours and the grinding/cutting machine for at the most

12

hours. The profit from the sale of a lamp is Rs.

5

and that from a shade is Rs.

3

. Assuming that the manufacturer can sell all the lamps and shades that the produces , how should he schedule his daily production in order to maximise his profit?

Q. Use the graphical method to solve each of the following LP problems.
LESCO Engineering produces chairs and tables. Each table takes four hours of labour from the carpentry department and two hours of labour from the finishing department. Each chair requires three hours of carpentry and one hour of finishing.

During the current week,

240

hours of carpentry time are available and

100

hours of finishing time. Each table produced gives a profit of

E 70

and each chair a profit of

E 50

. How many chairs and tables should be made in order to maximize profit?

In a programming assignment, the instructor found that 26 people take 2-3 hours, 34 people take 3-4 hours, and 20 people take more than 4 hours to finish an assignment. What is the probability that the assignment can be done in 4 hours or less?

Join BYJU'S Learning Program

The following Pictograph gives us the number of hours required to finish the course of a subject before an exam. From this, you analyse that the subject that takes most no. of hours is ___ and the subject that takes least no. of hours is ___.

If you count the number of hours, it is as: English5 X 2 = 10 hoursMathematics7 X 2 = 14 hoursPhysics4 X 2 = 8 hoursChemistry3 X 2 = 6 hoursBiology4 X 2 = 8 hours So, Mathematics takes most and Chemistry takes least.

The following Pictograph gives us the number of hours required to finish the course of a subject before an exam. From this, you analyse that the subject that takes most no. of hours is _ and the subject that takes least no. of hours is _.

If you count the number of hours, it is as:

$\begin{matrix} English & 5 X 2 = 10 hours Mathematics & 7 X 2 = 14 hours Physics & 4 X 2 = 8 hours Chemistry & 3 X 2 = 6 hours Biology & 4 X 2 = 8 hours \end{matrix}$

So, Mathematics takes most and Chemistry takes least.