wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The sum of the all the products of the first n positive integers taken two at a time is?

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

The correct option is C

Option (c)

Shortcut: Assumption

xy when n=2 is 1.2

Sum= 2

Substitute n=2 in answer options and see where 2 is obtained. Option c


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