We can’t make out when was the building constructed. We also don’t know if the alumni had not visited the school in the interim, hence both assumptions are not implicit and option 4 is the correct answer.
153, 154, 310, 913, 3736, 18685
5, 11, 23, 47, 89, 154
72, 80, 89, 153, 180, 394
30, 42, 48, 54, 65, 81, 126
Find the wrong number in given number series.
1116, 1135, 1158, 1187, 1224, 1278.
76, 93, 112, 136, 156, 181
13, 16, 24, 39, 64, 98
164, 20, 216, -40, 284, -112
3 6 18 149 602 15057
...75, 450, 225, 1330, 675, 4050