EduPadi logo
Home App Pricing
Classroom
Blog
👤My Account

Pass IELTS, JAMB, WAEC, & more with EduPadi CBT App

Practice questions, get instant scores, understand solutions with smart AI insights, and track your progress.

Explore EduPadi App…

If Un = n(n2 + 1), evaluate U5 - U4
index-0
18
index-1
56
index-2
62
index-3
80
Correct Answer: C
Un = n(n2 + 1)

U5 = 5(2 + 1)

= 5(25 + 1)

= 5(26) = 130

U4 = 4(42 + 1) = 4(16 + 1)

= 4(17) = 68

U5 - U4 = 130 - 68

= 62