1.

3, 5, 9, 15, 23, 33, 45, 59, ?A. 81B. 60C. 75D. 72

Answer» Correct Answer - C
`3+2=5`
`5+4=9`
9+6=23`
`23+10=33`
`33+12=45`
`45+14=59`
`59+16=75`


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