Question

A taxi fare in a city is as follows: for the first 2 km, the fare is Rs 12 and for the subsequent distance
it is Rs 5 per km.
Express the above situation in the form of linear equation in two variables, taking total
distance as 'x' and total fare as 'y'.
(ii) Draw the graph of above linear equation.
(iii) From the graph check whether (203) is a solution of the linear equation or not.
(iv) If a person has to pay Rs 62. how many kilometers can he travel?​

Answer 1

Q: 13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. can you find two other such pairs ?

(i) Mirror Image of 12 is 21

Square of 12 = 144

And, Square of 21 = 441

Their squares 144 and 441 is also mirror images of each other.

(ii) Mirror image of 112 is 211

Square of 112 = 12544

And, Square of 221 = 44521

( .°. There are many numbers which has mirror images and their squares has also mirror images. )