Latest Gate Aptitude Question SOLUTION: How many 5 digit integers are there in which each digit is greater than the digit on it's right?

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(#M40030212) GATE question Keep an EYE

How many 5 digit integers are there in which each digit is greater than the digit on it's right?

Asked In Gate Raahul Roy (10 years ago)

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alok kumar shukla  (10 years ago)

answer will be 144.since in unit place we can place six digits
(0,1,2,3,4,5)in tens place we can place 4 digits(6,7,8,9),similarly we can place 3,2 digits in hundreth and thousand place respectively.finally we can place 1 digit at final place,so answer will be(6*4*3*2*1=144)

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Pargat Pal Singh  (10 years ago)

252

Each set of 5 digits from available 10 digits can be arranged in one way only.
so possible sets are 10C5 = 252

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Amit Ghosh  (10 years ago)

some thing is missing in the question isn't it?

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ABHISHEK KUMAR  (10 years ago)

6
no's are 98765,87654,76543,65432,54321,43210

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Divya  (10 years ago)

I think given data is not sufficient

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