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Find the sum of first 24 terms of the A....

Find the sum of first 24 terms of the A.P. `a_1,a_2, a_3 ......., ` if it is inown that `a_1+a_5+a_(10)+a_(15)+a_(20)+a_(24)=225.`

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Find the sum of first 24 terms of the A.P. a_1, a_2, a_3, , if it is know that a_1+a_5+a_(10)+a_(15)+a_(20)+a_(24)=225.

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