Latest TCS Aptitude Question SOLUTION: Consider all permutations ( i.e arrangements ) of the digits 1, 2, 3 we will say that a hit has been scored if at least one digit occurs in its proper position ( i.e 1 occurs in th

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Consider all permutations ( i.e arrangements ) of the digits 1, 2, 3 we will say that a hit has been scored if at least one digit occurs in its proper position ( i.e 1 occurs in the first position, 2 occurs in the second position and 3 occurs in the third position ). In how many ways of this permutation can be scored
option
a) 4
b) 2
c) 1
d) 3

Asked In TCS sridurgauppalapati (10 years ago)

Unsolved Read Solution (6)

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Manish kumar sah  (10 years ago)

4 ways ....123,132,213,321

Is this solution Helpfull? Yes (7) | No (1)  

pritam kundu  (10 years ago)

ans is 4..combinations are 321,231,123,312

Is this solution Helpfull? Yes (2) | No (1)  

ipsita midya  (10 years ago)

i think the ans will be 4. nt sure.. becs if i fix 1's position then it wll cm 123 or 132 if i fix 2's position den it wll come 123 321 and if i fix 3's position it will cm 123 231.as they said atlest one ocurs in its proper position we can also keep it more than one tym.123 is coming fr every 3 cases if we keep 123 in its proper position den we will take it as 1 for all 3..now left 231 321 132 total 4.

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ziauddin  (10 years ago)

answer is 4;123,321,213,132

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mohana  (10 years ago)

4 ways i.e 123,132,321,213

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ravipati aswini  (10 years ago)

is 111,222,333 are possible or not

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