A courier service charges Rs. 7 per kg for couriering a parcel with a fixed pickup charge of Rs. 50. Rohan sends some books weighing "w" kg. Let Rs. "c" are total courier charge. Based on this case, answer ALL FIVE questions that follow:
a) Which of the following equations show the correct relationship between courier charge "c" and weight "w"?
B)Which type of equation is it? *
Quadratic equation in two variables
Quadratic equation in one variable
Linear equation in two variables
Linear equation in one variable
c) When represented graphically, the equation will give *
A point
A straight line
A straight line parallel to x-axis
Infinitely many lines
d) If Rohan paid Rs. 141 as courier charges, the weight of the parcel was *
10.75 kg
6 kg
15 kg
13 kg
e) Rohan received a courier which had 2 parcels from his friends and his friends did not pay for the courier. As a result, he had to pay the money from his pocket. If the first parcel weighed 3 kg and the second was 2 times lighter than the first, how much money will be paid by Rohan? *
Rs 71
Rs 81.5
Rs. 92
Rs. 113
