please solve it as fast as possible
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Answered by
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
:)
hjwjej3:
actually i hvnt seen a24,
please tell me short trick to find D
difference
Answered by
7
hope this will help u... :-)
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ohh! let i try
this
yaa i got the ans but what is this formula?
i dont know about this
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