Question
What distinguish an economic good from a free
good?Solution
Economic good has value in exchange but free good don’t have.
168, 178, ?, 273, 400, 618, 963
480, 288, ?, 103.68, 62.208, 37.3248
9 25 ? 121 221 337
...75, 80, 95, ?, 155, 200
In each of the following number series, one term is missing. Find the missing term.
50, 45, 39, 32, ?, 15
23Â Â Â Â 40Â Â Â Â Â Â 67 Â Â Â Â Â Â 104Â Â Â Â Â Â ? Â Â Â Â Â Â 208
...5, 18, 39, ?, 105, 150
114, 146, 210, 306, 434, ?
What will come in place of the question mark (?) in the following series?
15, 16, 25, 50, 99, 180, ?
7 7 28 252 ?
...