Rearrangement Problem | TOMATO B.Stat Objective 125
Try this problem from I.S.I. B.Stat Entrance Objective Problem based on Rearrangement.
Rearrangement Problem ( B.Stat Objective Question )
The number of 6 digit numbers between 1 and 300000 which are divisible by 4 and are obtained by rearranging the digits of 112233, is
- 1113
- 15
- 53361
- 5082
Key Concepts
Rearrangement
Digits
Divisibility
Check the Answer
Answer: 15.
B.Stat Objective Problem 125
Challenges and Thrills of Pre-College Mathematics by University Press
Try with Hints
numbers with tens place and ones place as 12 can be arranged
(2)(3)(2)(1) divided by 2 ways where 2 is repeated =6 ways
numbers with tens place and ones place as 32 can be arranged
(3)(3)(2)(1) divided by 2 ways where 2 is repeated =9 ways
that is 9+6 ways = 15 ways.
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