Jee Main
Sequences And Series
JEE Main 2022 (Online) 28th June Morning Shift
INTEGER+4 / -12022
Let A = {1, a1, a2 ....... a18, 77} be a set of integers with 1 < a1 < a2 < ....... < a18 < 77.
Let the set A + A = {x + y : x, y \(\in\) A} contain exactly 39 elements. Then, the value of a1 + a2 + ...... + a18 is equal to _____________.