1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Combination of n Different Things Taken One or More at a Time
The number of...
Question
The number of products that can be formed with
8
prime numbers is:
A
247
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
252
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
248
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
247
A product is defined as multiplication between two or more numbers.
Thus, we need to pick up
2
numbers,
3
numbers,
4
numbers and so on
from the
8
prime numbers
till the product of all 8 of those.
∴
The number of ways become
8
C
2
+
8
C
3
+
8
C
4
+
8
C
5
+
8
C
6
+
8
C
7
+
8
C
8
=
2
8
−
8
C
0
−
8
C
1
=
2
8
−
1
−
8
=
247
Suggest Corrections
0
Similar questions
Q.
The number of different products that can be formed with
8
prime numbers is
Q.
252
can be expressed as a product of primes as:
Q.
The number of different six digit numbers that can be formed with 4, 5, 6, 7, 8, 9 such that it is not divisible by '5' is (repetition is not allowed)
Q.
The number of 4 digit numbers greater than 8000 that can be formed with two 5's, three 8's and four 9's is
Q.
The number of four digit odd numbers with all distinct digits that can be formed using
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Nuclear Energy
MATHEMATICS
Watch in App
Explore more
Combination of n Different Things Taken One or More at a Time
Standard XII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app