4 . Three persons A,B and C travel a distance of 8 km by an autorickshaw. The auto driver demanded Rs. 80. A gave him sixty rupees and B gave him 20 rupess. Reaching a fruit shop, A borrowed Rs. 40 from B for buying fruits. After reaching home, C gave 30 rupees to A. Then A gave 30 rupees to B and got 15 rupess back. On the basis of the given information find the amount spent by A.
8 . A word is represented by only one set of numbers as given in any one of the alternatives. The set of numbers given in the alternatives is represented by two classes of alphabets as in the two Matrices given below. The columns and rows of matrix I are numbered from 0 to 4 and those of matrix II are numbered from 5 to 9. A letter from the Matrices can be represented first by its row and then by its column , eg A can be represented by 01, 40, etc and K can be represented by 55, 68 etc. Similarly you have to Identifiy the set for $TOPIC$