The cost of book is Rs 10 more than three time the cost of a pen From the equation representing this information and draw its graph.

Ariv received certain amount form his dad and another amount from his mom . The sum of twice the amount received from his dad and thrice the amount received from his mom is Rs 1200 Form the equation representing this information and draw its graph .

An auto charges 15 for first kilometer and 8 each for each subsequent kilometer. For a distance of ‘x’ km. an amount of ‘y’ is paid. Write the linear equation representing this information and draw the graph. With the help of graph find the distance travelled if the fare paid is 55? How much would have to be paid for 7 kilometers?

The cost of 4 pens and 4 pencil boxes is Rs. 100. Three times the cost of a pen is Rs. 15 more than the cost of a pencil box. Form the pair of linear equations for the above situation. Find the cost of a pen and a pencil box.

A lending library has fixed charge for the first three days and an additional charges for each day thereafter. John paid 27 for a book kept for seven days. If the fixed charges be x and subsequent per day charges be y, then write the linear equation representing the above information and draw the graph of the same. From the graph, find fixed charges for the first three if additional charges for each day thereafter is 4. Find additional charges for each day thereafter if the fixed charges for the first three days of 7.

The cost of notebook is twice the cost of a pen Write a linear equation in two variables to represent this statement (Take the cost of a notebook to be Rs x and that of a pen to be Rs y)

The following table gives the life times of 400 neon lamps : (i) Represent the given information with the help of a histogram. (ii) How many lamps have a life time of 700 hours or more than 700 hours ?

The total cost of 2 pencils and 3 pens is Rs.31. While the total cost of 3 pencils and 2 pens is Rs.29. Represent this data algebraically and graphically.

The ratio of molecular weight of Hydrogen and Oxygen in water is 1:8. Set up an equation between Hydrogen and Oxygen and draw its graph. From the graph find the quantity of Hydrogen if Oxygen is 12 grams. And quantity of oxygen if hydrogen is 3/2 gms.?

The total cost of 5 pens and 2 books is Rs. 150, while the total cost of 7 pens and 3 books is Rs. 219. Find the total cost of 3 pens and 1 book.

A number is 27 more than the number obtained by reversing its digits. If its unit’s and ten’s digits are x and y respectively, write the linear equation representing the above statement.