CAT
Exam
using only 2,5,10,25 and 50 paise coins,what will be the minimum number of coins required to pay exactly to pay 78 paise,69 paise and rs 1.01 to three different persons?
Read Solution (Total 3)
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- for 78P- we need 1 50P, 2 10P ND 4 2P COINS HENCE 7 COINS
FOR 69 P- 1 50P , 1 10P , 1 5P, ND 2 2P COINS HENCE 5 COINS
SIMILARLY FOR 1.01 WE NEED 8 COINS
HENCE MIN WE NEED 8 COINS - 12 years agoHelpfull: Yes(2) No(0)
- 1.01 rs. can be paid with the help of
50p-1 coin
25p-1 coin
10p-2 coin
2p- 3 coin
- 12 years agoHelpfull: Yes(1) No(2)
- 69PAISE IS POSSIBLE ONLY WITH 50P+5P+2P(7)
SO 9 COINS IS MINIMUM(WE NEED NOT CHECK OTHERS........SINCE IT IS ONNLY POSSIBLE WAY) - 12 years agoHelpfull: Yes(0) No(2)
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