Directions (next five questions) : What should come in place of question mark (?) in the following number series ?
1.5,4,20,129, ?,10505
1.5×2+(1)2=4×4+(2)3=20×6+(3)2=129×8+(4)2=1048×10+(5)2= 10505
6,349,565,?,754,781
4,12,60,420,?,41580
3,4,12,?,576,27648
Directions (next five questions) : What should come in place of the question mark (?) in the following questions ?
(73)3 = ?
? ÷ 25×12=248.76