Represent each of the following numbers on the number line.(i) 1/5 , (ii) 2/7 (iii) 2 25(iv) 557(v) − 317(vi) − 2562. Represent -12/7 and 12/7 on the number line.3. Find seven rational numbers between 1/3 and 1⁄2 .4. If x= 1⁄2 , y = -3/2 and z=1/4 then verify that x × (y × z) = (x × y) × z5. Show that :6. Compare the following rational numbers:i) -9/27, 6/-18 ii) -5/7, 10/-6iii) 3/-8, -15/40 iv) -11/7, 33/217. Let O, P and Z represent the numbers 0,3 and -5 respectively on the number line. Points Q, Rand S are between O and P such that OQ= QR=RS = SP. What are the rational numbersrepresented by Q, R and S?8. Arrange the following rational numbers in the descending order:i) 2/-3, -4/9, -5/12, 7/-18ii) 3/-4, -5/12, -7/16, 9/-249. Arrange the following rational numbers in the ascending order:i) 2/5, 1/3, 3/4, 1/6ii) 5/6, 7/8, 11/12, 3/1010. Simplify the following:i) (2/3) + (-4/5) + 1 + (-2/3) + (-11/5)ii)(5/8) + (-8/9) + 0 + (-13/3) + (17/24)