What will come in place of the question mark (?) in the following questions ?
$$\frac{3}{7} of 413+ \frac{2}{5} of 615=?$$
7865-4128+372=?+2014
45% of 240+?% of 360=234
$$7986 \div 165 \times 7=?$$
$$4495 \div 145 \times 656 \div 16=?$$
What should come in place of the question mark (?) in the following number series ?
4, 6, 16, 54, ?
5, 39, 272, 1631, ?
768, 192, 48, 12, ?
12, 16, 32, 68, ?
7, 15, 32, 67, ?