Question

please solve it as fast as possible

Answer 1

HEYA!

SOLUTION

Answer is 900.

Let a1=a, a2=a+d a1+a5+a10+a15+a20+a24=6a+69d=225 a1+a2+....................a23+a24

=24a+276d

=4(6a+69d)

=4*225

=900.

HOPE THIS HELPS

:)

Answer 2

hope this will help u... :-)