What approximate value should come in place of ‘?’ in the following equation:
172 + (18 - 42) × 5.5 + (52 × 22) = ?2
1
441
2
400
3
21
4
20
5
None of these
What approximate value should come in place of ‘?’ in the following equation:
172 + (18 - 42) × 5.5 + (52 × 22) = ?2