Question

A pack contains n cards numbered from 1 to n. Two consecutive numbered cards are removed from the pack and the sum of the numbers on the remaining cards is 1224. If the smaller of the numbers on the removed cards is k, then k – 20 =

Answer 1

Answer:

Hi users

Step-by-step explanation:

acc to given condition n

n(n+1)/2 -(k)-(k+1)=1224

get k= n(n+1)-2450 / 4

since n should be such that n(n+1)>2450 and k is integer only n= 50 satisfies ,  

then k= 25 and k-20 = 5

Hope this help you