A parent places in the saving bank Rs 500 on his child's first birthday, Rs 1000 on his second, Rs 1500 on his third and so on increasing the amount by Rs 500 on each birthday. How much will he save up when the child reaches the sixteenth birthday, the latter inclusive?

The formula to calculate 16th term of an arithematic progression is tn=a+(n-1). By using given formulae we can find out the money that the child's parent saved till his 16th birthday. After that the formula to calculate the sum to n terms of an AP id Sn= n/2[2a+(n-1)d]. By using the formula we can find out the sum.

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A parent places in the saving bank Rs 500 on his child's first birthday, Rs 1000 on his second, Rs 1500 on his third and so on increasing the amount by Rs 500 on each birthday. How much will he save up when the child reaches the sixteenth birthday, the latter inclusive?​

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A parent places in the saving bank Rs 500 on his child's first birthday, Rs 1000 on his second, Rs 1500 on his third and so on increasing the amount by Rs 500 on each birthday. How much will he save up when the child reaches the sixteenth birthday, the latter inclusive?