What should come in place of question mark (?) in the following questions ?
$$(9\% of 386)\times(6.5\% of 144)$$
$$4500\times?=3375$$
$$4+4.44+44.4+4.04+444$$=?
$$\sqrt[3]{?}=(36\times24)\div9$$
(43%of 2750) - (38% of 2990)=?
What should come in the place of question mark (?) in the following number series ?
13, 14, 30, 93, 376, 1885, ?
4, 6, 9, 13.5, 20.25, 30.375, ?
400, 240, 144, 86.4, 51.84, 31.104, ?
4.5, 4.5, 6.75, 13.5, 33.75, ?
705, 728, 774, 843, 935, 1050, ?