Ava wants to form the smallest 7 digit number using all the cards only once. The number formed is .
A
3,467,890
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3,000,000
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
9,876,430
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
3,046,789
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D3,046,789 All the digits in ascending order are : 0, 3,4,6,7,8,9.
Arranging them in this order, we get 0,346,789 = 346,789 which is a 6 digit number.
Thus , to obtain the smallest 7 digit number, we exchange the place of 0 and 3 . Thus , the obtained number is 3,046,789 .