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Previous Year Paper

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CAT-2007-Previous Years Paper

Question
3 out of 25
 

Suppose you have a currency, named Miso, in three denominations: 1 Miso, 10 Misos and 50 Misos. In how many ways can you pay a bill of 107 Misos?



A 18

B 15

C 19

D 17

E 16

Ans. A

(a) Possible combinations

Case 1: Bill is paid with only two 50’s misos

2 × 50 + 1 × 10 + 7 × 1 ... 1 way

Case 2: Bill is paid with only one 50 miso

Case 3: Bill is paid with only 50 misos

Case 4: Bill is paid with only 10 misos and only 50 misos

1 × 107 … 1 way

Therefore, total number of ways = 1 + 6 + 10 + 1 = 18 ways

CAT-2007-Previous Years Paper Flashcard List

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