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CAT 2020 Exam Shift 1 Solved Paper
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© examsnet.com
Question : 51
Total: 76
How many 3 -digit numbers are there, for which the product of their digits is more than 2 but less than7?
Your Answer:
Validate
Solution:
The product of the digits of the three-digit numbers should be more than 2 and less than 7 . Hence the possible numbers are as follows.
Product
3
5
4
5
Possibilities
(113,131,311)
(115,151,511)
(122,212,221)
(123,132,231)
(114,141,411)
(116,161,611)
(213,321,312)
Hence there are a total of 21 possibilities.
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