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(#M40153906) EXAM Numerical Ability question Keep an EYE

In how many ways the digit of the number 2233558888 be arranged so that the odd digits are placed in even positions

Asked In Exam koteswara reddy (9 years ago)

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rajeswari  (8 years ago)

Even position=5 so the nos can replaced in 5! Ways and 3 is repeted twice and also 5 is repeatef twice so .... 5!/2!*2!=30
After odd nos are placed then we have 6 position for other nos to be placef so.. same as 6! Waya and 2 is repeated twice and 8 is repeated four times 6!/2!*4!=15
Total 30*15=450

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