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In a particular city there are 100 homes numbered from 1,2,3,..,100. The city was build by a builder from Chennai. There was 4 to 5 shops in the town which was build by a builder from Mumbai. The 2nd builder can build in 1½ times as compared to time by 1st builder. The 2nd builder builds in 15 days, then how many 2's are used by the builder from Chennai in
numbering the 100 homes?
(a) 17 (b) 18 (c) 19 (d) 20

Read Solution (Total 2)

ans is 20.
2,12,20,21,22,23,24,25,26,27,28,29,32,42,52,62,72,82,92.
12 years agoHelpfull: Yes(9) No(8)

20...........
12 years agoHelpfull: Yes(3) No(3)

TCS Other Question

An athlete decides to run the same distance in 1/4th less time that she usually took. By how percent will she have to increase her average speed Mr. Das has 3 sons whose ages are respectively a, b, c. The grandfather has bought a
cycle for the eldest son, mother has bought a bag for the youngest one which cost Rs. 150/.
The sum of two age of the elder son and one son is 15. The difference of the age of sons is 3
& 2. Then what of the age of the elder son?
(a) 10 (b) 11 (c) 12 (d) 13