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

If a+1,a+2 and a+4 are prime numbers, then the number of possible solutions for a is:

A
one
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
two
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
three
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
four
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A one

The given primes are a+1,a+2 and a+4.
Now (a+2)(a+1)=1 and (a+4)(a+2)=2.
The only set of primes which are separated by 1 and 2 are 2,3,5.
a+1=2a=1


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