Question

What is the 39th number in the row of pascal's triangle that has 41 numbers?

Answer 1

39th means 2nd last no. in the row

and in pascal's triangle , 2nd last no. is like this 1 , 3 , 6 ,10

which is an AGP , so on solving we get

the 39th no. in the row which contain 41 no. is 780..

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