how many nos greater than 10 lacks can be formed from 2,3,0,3,4,2,3
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1
Answer:
A sofa was sold for 21,250 after giving 15% discount. What was the listed price of the sofa ?
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Answered by
1
Answer:
Since the number is to be greater than 10 lakhs i.e. 10,00,000 it must be of seven digits and should begin with either 2 or 3 or 4.
Beginning with 2. Remaining 6 (Three 3's are alike)
∴
3!
6!
=120
Beginning with 3. Remaining 6 (Two 2's and two 3's are alike)
∴
2!2!
6!
=180
Beginning with 4. Remaining 6 (Two 2's and three 3's)
∴
3!.2!
6!
=60
Required number is 120 + 180 + 60 = 360
Explanation:
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