Latest Aditi Aptitude Question SOLUTION: How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even? A. 320 [TICT, DCRU] B. 72

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(#M40154878) ADITI Numerical Ability question p and c Keep an EYE

How many 6-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 and 7 so that the digits should not repeat and the second last digit is even?
A. 320 [TICT, DCRU]
B. 720
C. 6480
D. 2160

Asked In Aditi S B HARISH (8 years ago)

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myana abhishek  (8 years ago)

B.720
let last digit is 2
when second last digit is 4 remaining 4 digits can be filled in 120 ways,similarly is second last digit is 6 remaind 4 digits can be filled in 120 ways,
so for last digit=2,total numbers=240
last digit=4,tot no=240
and last =6,tot no=240
so total of 720 even numbers are possible

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