Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

How mant different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that odd digits occupy even positions

How mant different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that odd digits occupy even positions

Grade:12

1 Answers

bharat bajaj IIT Delhi
askIITians Faculty 122 Points
7 years ago
O E O E O E O E O
There are 9positions, 5 odd and 4 even.
Also, there are 4 odd digits and 5 even digits.
No. of ways in which odd digits can occupy evenpositions= 4! / (2! 2!)
No. of ways in which even digits can occupy oddpositions= 5! / (3! 2!)
Hence, required no. of ways = (4! 5!) / (2! 2! 3! 2!) = 60

Thanks
Bharat Bajaj
askiitians faculty
IIT Delhi

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free