1.

If P.T would have contained 10 periods, maximum elements in that P.T. would be :-

Answer»

72
190
144
290

Solution :Till `7^(th)` period = 118 element (TOTAL magic no. add`""^(n)`)
`8^(th)` period = 59
`9^(th) ` period = 50 next magic no.
`10^(th)` period = 72
Total 290


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