What approximate value should come in the place of question mark (?) in the following question?
1279.99 + 7.983 + √? = 10.913 + 19.992 + 8.992
1
1600
2
289
3
464
4
400
5
625
What approximate value should come in the place of question mark (?) in the following question?
1279.99 + 7.983 + √? = 10.913 + 19.992 + 8.992