CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Find the number of natural numbers which lie between 108 and 109 which have products of their digits as 6?

A
55
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
105
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
81
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
92
No worries! We‘ve got your back. Try BYJU‘S free classes today!
E
83
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 81

OPTION C

108<n<109

n is a 9 digit number

Product of 6 is possible in the following cases

Exactly one digit is 6 and the remaining digits are 1

Number of possible numbers= 9

One digit is 2 and the other is 3, remaining are 1 = 9P2 = 72

Total possible numbers =72+9 = 81


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
QUANTITATIVE APTITUDE
Watch in App
Join BYJU'S Learning Program
CrossIcon